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Differences Between Angular JS vs Angular 2

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Angular JS

Google developed angular JS in the year 2010. It was written in JavaScript. Angular JS follows the concept of MVC (Model View Controller). The main idea behind MVC is to make a differentiation between data, logic, and view layer. The view receives data from the model, which is used to display to a user.

When a user interacts with the application by performing actions, the controller has changed the data in the model. After that view, it displays the information after it tells the model about the changes. In Angular JS, data is stored in properties of an object, controllers are JS classes, and a view is DOM (Document Object Model). Angular JS has features like declarative templates, dependency injection, directives, etc.

Angular 2

In Angular 2, Typescript has great features to develop applications like modules, classes, decorators, interfaces, access modifiers, IntelliSense, and compile-time errors make the programming easy and better. To start with Angular 2, you have to install chúng tôi and npm install in a machine.

 ES stands for ECMA Scripts, and ES6 was released in 2024 with new features like language support for classes, modules, etc. It has a rich template system that is widely used in developing applications for Angular 2.

Angular 2 is mainly used for its inbuilt feature of communication support with back-end services, making the server-side logic easy and fast. It has features like quick loading of pages, data binding methodology, improved rendering time, and more expression using conditional statements and local variables.

Head to Head Comparison Between Angular JS vs Angular 2

Below is the Top 8 Comparison Between Angular JS vs Angular 2

Key Differences Between Angular JS vs Angular 2

Angular JS has used controllers and $scope object for development. In Angular 2, they have been replaced with components and directives for development.

Angular JS has used filters to filter out the data. In Angular 2, filters are renamed as pipes.

In Angular JS, it was difficult to make a search engine with a single page application. In Angular 2, a search engine friendly single page application is easier to create to render the server-side data.

Angular JS application cannot be used for the higher versions of angular. Angular 2 has backward compatibility, which can be used in Angular 4 as well.

Angular JS is completely different from Angular 2. Angular 2 is not the updated version of Angular JS

Angular JS application becomes generally slow. Angular 2 is many times faster than the angular JS.

In Angular JS, “ng-repeat” is used to iterate through elements. In Angular 2, *ngFor is used for the same. In this, structural directives syntax has changed.

In Angular JS, we cannot define variables. In Angular 2, developers can define the local variable with the help of hash (#) with variable names.

In Angular JS, ng-bind used to handle 1-way data binding. In Angular 2, [value] used to handle the same.

In Angular JS, ng-model used to handle 2-way data binding. In Angular 2, [(ngmodel)] used to handle the same.

Angular JS vs Angular 2 Comparison Table

Below is the detailed Comparison of Angular JS vs Angular 2



Angular JS Angular 2

Programmed Angular JS was written in JavaScript. Angular 2 was written in TypeScript.

Concept Angular JS has used MVC to build an application. Angular 2 has used Component-based UI build applications.

Routing Angular JS has used $routeprovider.when() to configure routing. Angular 2 has used @Route Config{} for the same.

Complications It becomes complicated as the same thing can be done in multiple ways. It is very well-defined and less complicated.

Template system It has a good template system. Angular 2 has a powerful templating system as compared to Angular JS.

Syntax Angular JS syntax is complicated as to remember directives. Angular 2 syntax is simpler than Angular JS.

Support Angular JS was not built for mobile support. Angular 2 was mainly built for mobile support applications.

Plugins Angular JS does not require any plugins for development. Angular 2 do require plugins for building applications.

Conclusion – Angular JS vs Angular 2

Angular JS and Angular 2 provide the framework for developing the web application in less time and efficiently.  Angular JS is always available for unit testing. It Is mainly used for SPA, which makes the development faster. It is easy to understand and simple to learn for JavaScript developers.

Angular JS is still useful for people who are beginners as they can grasp it easily. These both Angular JS vs Angular 2 are mostly different from each other. It is unnecessary to learn Angular JS; you can directly start with Angular 2 and build your front-end applications. Angular 2 has come with a mobile-driven approach.

Angular is getting pace for front-end development as it makes the development faster. Large applications can be easily handled in angular. It can execute better with components. Each Angular is having its own strong areas and significant features to use. Angular has released its higher versions also with new features and better performance.

Recommended Article

This has been a guide to the difference between Angular JS and Angular 2, their Meaning, Head to Head Comparison, Key Differences, Comparison Table, and Conclusion. You may also look at the following articles to learn more –

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What Are The Benefits Of Angular Development

There is an extremely popular tool for software development these days, and it is called Angular. It was released in 2010 and has managed to become one of the most recognizable names on the market. Furthermore, Angular is the second only to jQuery. But why this framework is one of the web developers` favorites?

Why Do They Prefer Angular?

If you decide to hire Angular developer, you need a great company that can offer professionals who are experienced enough to know the framework inside out. The thing is that it obtains a few great features, and here are the highly significant ones:

Component-based architecture. When utilizing this framework to develop web, it is easy to build what you need due to its architecture. Angular arranges the platform`s user interface into compounds that are logical and do not depend on one another. These parts are, in turn, structured as a tree where every item is hierarchized. Professionals are able to check even the tiniest pieces of the app easily and quickly, owing to the independence of the service`s compounds.

Modular structure. This framework obtains this kind of structure, and its task is to organize the app code into various modules. Thanks to this, everything is neatly structured so that it is possible to segregate the overall features.

Dependency injection.  It happens to be a design pattern where dependency is supplied by one piece on another. Thanks to this feature, the performance of the created app is enhanced.

Angular Universal. Utilizing this feature, experienced professionals can render their app the server-side, which is great when it comes to the platform`s SEO performance improvement.

Declarative UI. Using this framework, developers do not have to utilize JavaScript to interpret the UI because they can always make use of HTML for this purpose.

Angular CLI. This feature is nothing but Command Line Interface, which is another significant strength of this framework. Processes, such as configuration and application initialization, are automated with the help of Angular CLI. In virtue of such automation, the process of web creation is simple, while the code quality is better.

Ivy Renderer. It is an important engine responsible for the translation of the code from TypeScript to JavaScript so that any browser could understand these instructions.

Angular Material. The software development tool recognized how helpful Google design instructions are, so Angular has been improved and updated with these compounds. The outcome is that web developers can access a wonderful UI solution to make a comprehensive UI.

Support and accurate documentation from Google. This company has claimed that it is going to support Angular, which means that the service is going to be stable. Google also provides the community with accurate documentation that explains how to apply different tools to tackle problems and create functionalities.


Angular has become an amazing service when it comes to creating applications. The framework has managed to bring its features and functions to perfection; consequently, many web developers prefer it. That is why you should hire mobile app developers who know what Angular is about and are able to make the most of it.

Mariusz Gradon

This post is written by one of our guest contributors. They are tech lover and sharing their thoughts on tech innovation with readers around the world. Their passion for content, SEO optimization, and writing developed following every personal blog’s growth, and inspired there to pursue a career in content.

Callback Functions For Video Js Player

In this tutorial, we’ll learn about the various event listeners and how to use them with callback functions for a chúng tôi player. chúng tôi is a popular, open-source library used for creating video players in browsers. Using chúng tôi you can tweak every single part of a video player without much problems or hassle. Aside from that, chúng tôi provides a plethora of default events like play, pause, playing, loadedmetadata, timeupdate, canplaythrough, loadeddata etc.

So, for the purpose of this tutorial, we’re going to learn about the callback functions of various event listeners in chúng tôi Callback functions are really crucial as they are triggered when a certain event happens. So, we can perform different actions with the help of various callback functions. Now let’s move to the following section of the article to understand the various events and their callback functions.

Callback Functions for chúng tôi Player

Callback functions are those functions that are passed as an input argument to another function. However, callback functions are extensively used to continue the execution of code after an async operation like events. Event listeners are functions or methods that are invoked when a specific event is triggered. For example, an event can be playing a video or pausing a video, etc. By making use of the event listeners and callback functions we can achieve our desired functionality.

Basically, the event listeners keep waiting continuously for some user interactions to happen like playing a video, pausing a video then executing the corresponding callback function when the event triggers.

If we talk about chúng tôi specifically, you get a plethora of event listeners which can be used to change the state of a video player. For example, play, pause, resume, etc.

For the purpose of this article, we’re going to go through the following events and their callback functions one by one −

LoadedData Event

LoadedMetaData Event

Time Update Event

Ended Event Event

Let’s quickly have a look at each one of these.

LoadedData Event

The callback function of ‘loadeddata’ event is triggered when the current frame of a video is loaded. The current frame is usually the first frame of the video. So, when the current frame is loaded but not the next frame, the callback function of the loadeddata event is triggered.

Prerequisite − Assuming that you know how to create a basic video player using the chúng tôi library, let’s learn how to capture the ‘loadeddata’ event using video.js

You can capture ‘loadeddata’ event by using ‘loadeddata’ as an input on the reference of your chúng tôi player using the player.on() method. It binds the event and the callback function together. It usually accepts two parameters as input, the first one being the event name (loadeddata in our case) and the second parameter is the callback function which will get invoked as soon as the defined event is triggered. So, callback functions passed to ‘loadeddata’ event listener are going to be executed whenever the current frame (first frame) of the video player has been loaded.

You can use the following code to capture the ‘loadeddata’ event and trigger the callback function to alert a text in the browser window −

const player = videojs(‘my-video-player’);

player.on(‘loadeddata’, function () { window.alert(‘Video Player Data Loaded’); });

In the preceding snippet, we used the ‘loadeddata’ event listener on our video player reference using the ‘player.on()’ method to alert ‘Video Player Data Loaded’ whenever the current frame of the video player is loaded.

Example 1

Here we have showed how the complete example for using loadeddata event listener will look like −


preload=”true” controls=”true” fluid=”true” muted=”true” autoplay=”true” poster=”assets/sample.png” data-setup='{}’ <source type=”video/mp4″ const player = videojs(‘my-video-player’);

player.on(‘loadeddata’, function () { window.alert(‘Video Player Data Loaded’); });

We’ve tried to implement the following things in the above code

The execution of the above code is going to create a video player in the browser, which is going to show an alert message on windows when the current frame or the first frame of our video is loaded.

Now that we know how to use the callback function with ‘loadeddata’ event listener, let’s move to the next section of this article to understand the ‘loadedmetadata’ listener.

LoadedMetaData Event

The callback function of the ‘Loadedmetadata’ event listener is invoked when the browser has loaded the metadata i.e duration, dimension, text tracks, etc of a video. This listener can be very beneficial when we are loading the video from a URL or third-party API. In those scenarios, we need to wait for the video to be loaded before we make any changes to the player.

For using this listener, we’ll need to use ‘loadedmetadata” as input to the video player reference using the ‘player.on()’ method.

You can use the following code for showing a message whenever the metadata of our video is loaded using the ‘loadedmetadata’ event with a callback function −

let player = videojs(‘my-video-player’);

player.on(‘loadedmetadata’, function () { window.alert(‘Video Player Meta Data Loaded’); });

In the above snippet, ‘loadedmetadata’ event listener has been used to wait till the metadata of a video is loaded before alerting a text. The callback function of this event is invoked even before the ‘play’ event listener as a video needs to be loaded first before it is played.

Now, let’s move on to learn about the callback function of the next event listener.

Time Update Event

The callback function of ‘Timeupdate’ event listener is one of the most important listeners as it gets triggered every time the video’s current playback time is changed. So, as a video is being played, this event gets triggered every 15 250 ms. This callback function on this event can be used with ‘timeupdate’ as input to the chúng tôi method.

Consider the below snippet for showing a message, when our video has crossed the 15 seconds mark using ‘timeupdate’ event listener with a callback function −

let player = videojs(‘my-video-player’);

let alertShown = false; player.on(‘timeupdate’, function () { window.alert(‘Video has Played for 15 seconds!’); alertShown = true; } });

In the above snippet, we’ve used the ‘timeupdate’ event to alert a text when the video has played for 15 seconds with the help of a callback function. Notice how the currentTime() method is used to get the current time of a video player.

Now, let’s move on to the callback function of the ended event listener.

Ended Listener

Callback function of ‘Ended’ event listener is invoked when our video has ended. It can be used for showing a replay button or playing the next video when the current one has ended. For using this listener, we’ll need to use ‘ended’ as input to the video player reference using the ‘player.on()’ method.

Let’s alert a message when a video ends, using the ‘ended’ listener with a callback function −

let player = videojs(‘my-video-player’);

player.on(‘ended’, function () { window.alert(‘Video Player Ended!’); });

In the above snippet, we’ve used the ‘ended’ listener to display a text on the window when our current video has finished playing.

Example 2

Adding all the above event listeners to the complete example will look something like this −


preload=”true” controls=”true” muted=”true” autoplay=”true” fluid=”true” poster=”assets/sample.png” data-setup='{ }’ <source type=”video/mp4″ let player = videojs(‘my-video-player’);

player.on(‘loadeddata’, function () { window.alert(‘Video Player Data Loaded’); });

let alertShown = false; player.on(‘timeupdate’, function () { window.alert(‘Video has Played for 15 seconds!’); alertShown = true; } });

player.on(‘loadedmetadata’, function () { window.alert(‘Video Player MetaData Loaded’); });

player.on(‘ended’, function () { window.alert(‘Video Player Ended!’); });

On execution of the above code, a video player will be created which will display text messages, when the video metadata is loaded, then when the video data is loaded and when the video has ended.


In this tutorial, we understood the callback functions of various event listeners that can be used in a chúng tôi player like loadeddata, laodedmetadata, timeupdate, and ended. We also saw how can we use these listeners with callback functions with the help of fully working examples.

Power Bi Vs Tableau Vs Qlik

Difference Between Power BI vs Tableau vs Qlik

Power Bi is a Business Intelligence tool we can upload data and publish data throughout our companies. Business Intelligence response to any query and improves decision making. Adding power to the business for good visualization of data. Another feature of Power BI Is Quick Insights in which we can search a dataset for interesting patterns and provides a list of charts for a better understanding of data. It uses artificial intelligence and data mining to analyze the data. Qlik is also a Business Intelligence and data visualization tool.

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It is an end – to end ETL solution yielding good customer service. With qlik, we can create a flexible end-user interface, make good presentations based on the data, creates dynamic graphical charts and tables, perform statistical analysis, builds own expert systems. Qlik can be used with the virtual database. It is a window-based tool that requires the following components: Qlik Server, Qlik Publisher.

Features of Power BI

Rich Graphical visualizations from complex BI data.

Ad-hoc Reporting

Good Navigation Pane

Includes a dataset with customizable dashboards.

Features of Qlik

With the use of a hybrid approach, the user can associate data stored within big sources are stored within the Qlik view in-memory dataset.

With the help of direct discovery, they allow users to perform Business discovery and visual analysis.

Mobile-ready, Roles, and Permissions

Interact with dynamic apps, Dashboards.

Features of Tableau

They have a good drag and drop.

For data sharing, they use Tableau Public.

They implement interactive data visualizations on the web.

Their performance is strong and reliable and operates on huge data.

They are mobile-friendly and supports full online versions.

Head To Head Comparison Between Power BI and Tableau and Qlik(Infographics)

Below is the top 9 difference between Power BI vs Tableau vs Qlik

Key Differences Between Power BI and Tableau and Qlik

These are popular choices in the market; let us discuss some of the major difference:

Qlik can be immediately accessed by multiple users. Qlik is faster than Tableau. Power bI connect to any data source they do not require ETL.

The documents are stored in. the qvw format we can access these documents via Qlik Views proprietary communication protocol and stored in Windows OS, and all the events are taken in Qlik Server, they are responsible for Client-Server Power BI has three types of files excel(.xls), power BI desktop(.pbix), (.csv). Tableau extract files can have (.tde) file extensions.

Qlik structure is not well managed whereas Tableau structure is managed by well user guide.

Qlik works as a standalone technique. Publishing the data to the outside world are managed by QlikView Publisher. Power BI is available only on the SAAS model whereas Tableau has cloud and on-premises option. Power BI desktop version is free.

Data modeling facilities are increased using POwerBI. In Qlik Data insights are generated rapidly.

Tableau and Power BI is user-friendly. Qlik has high customizable patterns.

Qlik and tableau work for statistical analysis. Power BI does not have this capability.

Power BI vs Tableau vs Qlik Comparison Table

Below is the 9 topmost comparison

The basis of comparison  Power BI Tableau Qlik

Performance  It Lacks behind on data visualizations. They are more User-friendly because Non- technical users can work with this tool. They use cubic Technique Qlik needs a developer to work with reports and dashboards. They take all types of datasets.

They have good visualizations.

User Interface

Dashboards are the key feature of PowerBI when has a good User interface to publish the report.

User Interface is better

User Interface is quite down when compared with Tableau.

Ease of learning

User-friendly- Knowledge of Excel is enough

They do not require any technical or programming skills to work with.

Easy to learn with Data science background.

Supportive requirements

Power BI has Power BI desktop, Gateway

They work with front-end tool such as R.

Qlik consists of both front-end (Qlik Developer) and back-end (Qlik Publisher)


The desktop version is free, Power BI Pro is pay per month. Tableau Reader is a free version. Tableau Server is a licensed one. Qlik Personal Edition is a free version of Qlik and runs without a license Key.

Cost- Effectiveness Less expensive. Qlik website has two editions. Personal version is free, Enterprise version can be used contact with the team.

Online Analytical Programming They connect to OLAP cubes via SQL servers for multidimensional analysis. Tableau can connect to OLAP taking out the cube measures at the deepest level. Access to OLAP provides encapsulated data views.

Speed They have smart recovery Speed depends on RAM and data sets. They have better Speed since they store the data in the server RAM (In-Memory Storage)

Advantage Power BI are inexpensive and have scalability for larger projects. They are top ranked in intelligence visualizations. They provide wide range deep analytics and they have good customer satisfaction


Conclusion Recommended Articles

This has a been a guide to the top difference between Power BI vs Tableau vs Qlik. Here we also discuss the key differences with infographics, and comparison table. You may also have a look at the following articles to learn more.

Hp Elitebook Laptops And 2

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USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum.

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HP Wolf Security for Business requires Windows 10 Pro and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features.

Available on select HP PCs with Windows 10 and higher and Intel processors.

Requires Windows 10 and higher and set up of facial recognition through Windows Hello.

HP Power Manager requires Windows 10 and higher and is available from the Microsoft store.

Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.

HP Wolf Security for Business requires Windows 10 Pro and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features.

Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. AMD’s numbering is not a measurement of clock speed.

Requires Internet access and Windows 10 and higher PC preinstalled with HP QuickDrop app and either an Android device (phone or tablet) running Android 7 or higher with the Android HP QuickDrop app, and /or an iOS device (phone or tablet) running iOS 12 or higher with the iOS HP QuickDrop app.

Wi-Fi 6E requires a Wi-Fi 6E router, sold separately to function in the 6GHz band. Availability of public wireless access points limited. Wi-Fi 6E is backwards compatible with prior 802.11 specs. And available in countries where Wi-Fi 6E is supported.

Wi-Fi® supporting gigabit data rate is achievable with Wi-Fi 6E (802.11ax) when transferring files between two devices connected to the same router. Requires a wireless router, sold separately, that supports 160MHz channels.

5G module is optional and must be configured at the factory. Module designed for 5G NR NSA (non-standalone) networks as carriers deploy Evolved-Universal Terrestrial Radio Access New Radio Dual Connectivity (ENDC) with both 100Mhz of 5G NR and LTE channel bandwidth, using 256QAM 4×4 as defined by 3GPP. Module requires activation and separately purchased service contract. Check with service provider for coverage and availability in your area. Data connection, upload and download speeds will vary due to network, location, environment, network conditions, and other factors. Backwards compatible to 4G LTE and 3G HSPA technologies. 5G module planned to be available in select platforms and select countries, where carrier supported.

Qualcomm® 5G module is optional and must be configured at the factory. Module designed for 5G networks as carriers deploy Evolved-Universal Terrestrial Radio Access New Radio Dual Connectivity (ENDC) with both 100Mhz of 5G NR and LTE channel bandwidth, using 256QAM 4×4, requires activation and separately purchased service contract. Check with service provider for coverage and availability in your area. Connection, upload and download speeds will vary due to network, location, environment, network conditions, and other factors. Backwards compatible to 4G LTE and 3G HSPA technologies. 5G module planned to be available in select platforms and select countries, where carrier supported.

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HP Auto Frame available only with optional 5MP camera that must be configured at purchase. Requires the myHP application and Windows OS.

HD content required to view HD images.

Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2024 standard.

Select HP Products are enhanced with HP Presence. Features vary by platform.

Recharges your battery up to 50% within 30 minutes when the system is off or in standby mode. Power adapter with a minimum capacity of 65 watts is required. After charging has reached 50% capacity, charging will return to normal. Charging time may vary +/-10% due to System tolerance.

Available on select HP PCs with Windows 10 and higher and AMD processors.

Sold separately or as an optional feature.

HP conferencing features require Windows and the latest myHP app, available over the air or for download via sofpaq on the HP Support website. Planned availability in spring 2023.

Review De Ecoflow Delta 2


Acabados robustos

Diseño que facilita el transporte

Fantástica aplicación de móvil

Tiempos de carga rápida con X-Boost

Garantía de 5 años


Ruidosa con cargas elevadas y carga rápida

Precio de batería de expansión

Sin ruedas para desplazamiento

Peso de 12 kg

Nuestro veredicto

EcoFlow ha actualizado su unidad más portátil, con permiso del modelo Delta mini, para dotarlo de mejores baterías que ahora soportan hasta 3000 ciclos completos antes de sufrir degradación por debajo del 80 % de su capacidad. Destaca además por sus posibilidades de expansión. 

Mejores precios hoy: EcoFlow Delta 2




Ver oferta

Las estaciones de carga de energía como la que analizamos en esta ocasión, han evolucionado tecnológicamente hablando de forma significativa en los últimos años, integrando baterías más eficientes y permitiendo su carga a través de paneles solares. 

Lejos quedan ya los típicos generadores ruidosos que dependen de fuentes de energía más contaminantes para dejar paso a productos como el Delta 2 de EcoFlow. Veámos todo lo que puede ofrecer este producto a la hora de suministrar energía allí donde no haya, o en lugares donde se produzca una caída de tensión. 

Diseño y calidades

Manetas para desplazamiento

Bandeja superior portaobjetos

Tapas de protección en conectores

Partimos del hecho de que el Delta 2 es una segunda generación de su predecesor, con lo que físicamente no hay muchos cambios con respecto al original, con agarraderos en ambos lados para facilitar el transporte de un lugar a otro, dado que estamos moviendo un equipo de 12 kg de peso (lo que una bicicleta plegable).

Alfonso Casas / Foundry

El frontal se encuentra liderado en gran parte por su pantalla LCD, con tamaño suficiente como para poder interpretar de lejos la información que brinda el equipo en cada caso. Aunque no ofrece posibilidad de regulación en inclinación como sí tienen algunas impresoras, sus ángulos de visualización son amplios y con gran nivel de brillo. 

Un pequeño indicador LED nos informa que el Delta 2 se encuentra emparejado con tu dispositivo móvil para poder gestionarlo a través de la aplicación EcoFlow, algo que abordaré más adelante. 

Alfonso Casas / Foundry

Ya por debajo, aparece una gran variedad de puertos de carga. En concreto, cuatro son de tipo USB A, y otros dos USB C, con lo que la mayoría de usos quedan cubiertos si estás pensando en cargar smartphones, tablets, portátiles o dispositivos electrónicos.

En el lado opuesto, encontrarás aún más puertos y opciones de conexión. Hay una pequeña cubierta cerca del mango que se levanta para revelar los puertos de entrada. Es aquí donde encontrarás el puerto típico de carga, así como el dedicado para paneles solares XT60 y el de mechero de automóviles. También hay un interruptor de protección contra sobrecargas. 

Alfonso Casas / Foundry

Por debajo, comprobarás que hay cuatro enchufes de salida tipo CA que puedes utilizar para conectar cualquier tipo de electrodoméstico como nevera, microondas, robot de cocina o herramienta de trabajo, ofreciendo la conexión habitual tradicional que tienen los enchufes de pared. 

Ya en la parte superior, el Delta 2 sigue contando con una generosa superficie a modo de bandeja en la que podrás depositar cualquier tipo de objeto como un móvil, smartwatch o auriculares inalámbricos mientras sus baterías están siendo cargadas. 

Los botones de funcionamiento por zonas impiden que haya fugas de energía”

Habrá alguien que pueda echar en falta alguna zona de carga inalámbrica lo que facilitaría algo las cosas, pero dado que lo prioritario aquí es facilitar la carga sin perder un ápice de energía, el Delta 2 solo contempla la carga de equipos de forma cableada.

Tal es así que cada zona de puertos y conectores dispone de su correspondiente interruptor de activación o desconexión, de manera que no basta con conectar por cable el dispositivo para que comience a cargarse, sino que también hay que habilitar el puerto mediante esta medida de seguridad. 

Alfonso Casas / Foundry

Esto es beneficioso de cara a impedir que el hecho de dejar cables conectados sin carga sean una fuente de pérdida de energía, además de optimizar lo que realmente quieres alimentar. Estos factores también son parametrizables mediante la aplicación del móvil. 

Físicamente, el equipo está bien distribuido. En la parte superior de los laterales, apreciamos la presencia de dos ventiladores a cada lado que se encargan de expulsar el aire caliente hacia el exterior aplicando el efecto de chimenea para facilitar su salida.

Ya en la base del Delta 2, notamos la presencia de tacos de goma que evitan que el equipo pueda desplazarse si lo situamos en lugares en cuesta o superficies que no son totalmente lisas, a pesar de que el peso lo impediría. 

Alfonso Casas / Foundry

Por último y no menos importante, mencionar que el Delta 2 amplía sus capacidades de expansión ayudado por el puerto que permite conectar una segunda batería de 1000 Wh, o bien, otra de 2000 Wh, con el fin de agregar capacidad y mayor autonomía. 

Conectores y puertos

2 puertos USB C con USB 3.0 Power Delivery

Carga de hasta 100 W

Cable adaptador de coche

Ya hemos comentado el tipo de puertos con los que cuenta el Delta 2 y su ubicación. Ahora toca el turno de desglosar la potencia y el amperaje que brinda cada uno de ellos con el fin de tener claro cuál es el propósito principal de cada uno. 

La mayoría de las veces procederás a efectuar la carga de su batería a través del conector AC. No obstante, debes saber que en el paquete se incluye el cable para el mechero del coche (para las escapadas al campo), así como el conector XT60 bastante común para proceder con la carga mediante paneles solares. 

No experimentes con la Delta 2 y no la utilices como un SAI para tu ordenador”

EcoFlow dispone de su propio sistema con paneles que pueden aportar 110, 160, 220 o incluso 400 W de potencia. En cualquier caso, podrás manejar paneles de diferentes marcas siempre que cumplan con el tipo de conector mencionado y sean de menos de 500 W.  

En el momento de escribir esta review, la compañía oferta el Delta 2 junto al panel solar portátil de 220 W con 4 paneles solares y grado de impermeabilidad IP68 a un precio de 1798 €. EcoFlow oferta productos promocionales para que puedas ahorrarte dinero en la compra de varios de sus productos.

La carga a través del conector de coche tiene una potencia nominal de 12,6 vatios y 10 amperios, lo que equivale a 128 vatios, mientras que los puertos del cargador tipo cañón pueden alcanzar los 38 vatios cada uno a 12,6 voltios. 

Alfonso Casas / Foundry

En lo que respecta a las conexiones de salida, ya hemos mencionado que en el frontal disponemos de 2 puertos USB C 3.0 compatibles con Power Delivery lo que significa que pueden ofrecer voltajes de 5, 9, 12, 15 o 20 voltios todos ellos con 5 amperios de corriente. 

Esto significa que ambos puertos pueden cargar un ordenador portátil por el conector con una potencia de hasta 100 vatios. 

En el caso de los cuatro puertos USB A, dos de ellos son estándar de 5 V, mientras que los otros dos identificados con el color azul admiten velocidades de carga más avanzadas con QuickCharge 2.0 y 3.0 de hasta 12 voltios. 

Por último, los seis conectores de la parte trasera de corriente alterna CA ofrecen una potencia nominal de 1800 vatios con una sobretensión fijada en los 2700 vatios. Si encendemos el modo X-Boost del Delta 2, es posible incrementar el dato hasta los 2200 vatios de manera puntual para alimentar algo potente como una sierra de mesa o herramientas de taller.

EcoFlow menciona que el Delta 2 es compatible con la salida sinusoidal pura, lo que significa que deberías poder usarlo con dispositivos que tienen motores de corriente alterna CA con datos variables, como un microondas o una mini nevera. 

Alfonso Casas / Foundry

De hecho, X-Boost está pensado para conectar aparatos que no requieren de un voltaje exacto, como pueda ser un calentador o herramientas eléctricas, a lo que añade que solo se debe utilizar un puerto en esos instantes. 

No tengo medios para poder comprobar la calidad de la onda sinusoidal del Delta 2, pero EcoFlow destaca que bajo una carga típica de 1600 vatios, la calidad de la señal ha sido mejorada con respecto a la generación del Delta estándar. 


Una de las grandes evoluciones que ofrece el Delta 2 se encuentra en su componente clave, que no es otro que su batería. EcoFlow ha evolucionado la química y ahora ofrece celdas de fosfato de hierro y litio lo que triplica con creces el ciclo de trabajo de la batería. 

Si con el equipo Delta original de 1000 Wh, las baterias degradan su capacidad al 80 % tras superar los 800 ciclos de cargas completas, con el Delta 2 pasamos a un rango muy superior de hasta 3000 antes de que las baterías sufran esa misma degradación. Es un dato significativo. 

Tal es así que con tantos ciclos de carga habrá usuarios que se planteen la posibilidad de usar el Delta 2 como un dispositivo SAI (sistema de alimentación ininterrumpida), manteniéndolo enchufado todo el tiempo para evitar los picos de tensión en sus ordenadores. 

Pues bien, debes saber que esto solo funcionará en portátiles ayudados por sus baterías, pero no en un ordenador de escritorio. Esto se debe a que el Delta 2 tarda 30 milisegundos en tomar el control una vez que se corta la energía. 

Alfonso Casas / Foundry

En la mayoría de los ordenadores con especificación ATX, la fuente de alimentación dura 16 ms desde que se sufre el corte hasta que se pierde la energía del sistema. Los 30 ms son demasiado lentos para mantener encendidos los ordenadores de sobremesa, con lo que se apagarían antes. 

En el caso de otros dispositivos como ventiladores, neveras o la mayoría de equipos domésticos, no importará este dato ya que la pérdida de energía por una fracción de segundo no les afectará al funcionamiento. No debes temer por la pérdida de tu trabajo y datos. 

La Delta 2 deja de ser silenciosa al conectar carga superior a los 800 W”

EcoFlow menciona que es posible cargar o alimentar a 13 dispositivos a la vez, una situación que rara vez se dará. Comprobamos que bajo una carga elevada de dispositivos (por encima de 800 W), el Delta 2 hace funcionar tres pequeños ventiladores a velocidades altas para mantener el circuito de carga y las baterías a temperaturas aceptables. 

Esto origina un ruido que en exteriores como pueda ser el campo, hará que pase más desapercibido. Sin embargo, dentro de un hogar típico, el sonido es un tanto estridente fruto de que los ventiladores giran a revoluciones muy altas. Lo medimos y nos ofreció un dato de 57 dBA. 

Esto mismo sucede también cuando activamos la carga de la unidad al valor máximo de 1200 W o activamos la carga X-Boost de la que hablaremos a continuación. Disminuye el ruido ligeramente a velocidades más bajas, pero incluso con la configuración a 200 vatios, los ventiladores entran en acción. 

Alfonso Casas / Foundry

Si eres de los que pensaba usarlo para alimentar algún equipo médico en la habitación mientras duermes, si éste consume más de 120 vatios, tendrás que escuchar los ventiladores o buscar otra alternativa ante esta situación. 

Consultado este hecho con un portavoz de EcoFlow nos ha comentado que planean abordar este hecho de reducir el ruido de los ventiladores con una próxima actualización del firmware de la unidad. Sería la solución más sencilla y beneficiosa para el que ya dispone de un Delta 2.

Autonomía y carga

Carga completa en 1 hora y 20 minutos

Modo de carga rápida X-Boost

Control de velocidad de carga desde App

Cuando el Delta 2 recibe la carga de una toma de corriente CA, es posible llevar a cabo la carga completa del equipo en aproximadamente 1 hora y 20 minutos. La entrada no funciona siempre a su potencia máxima de 1200 W, reduciéndose a medida que te aproximas a la carga completa para preservar la vida útil de la batería. 

Ayudado por la aplicación del móvil, también es posible establecer los niveles de carga a los que quieres que deje de cargarse la batería del Delta 2, con el fin de que las celdas no se degraden con tanta rapidez como si llevaras a cabo los ciclos completos de carga. 

Con X-Boost puedes cargar la batería en solo 1 hora, pero no debes abusar de la carga rápida”

Haciendo uso de X-Boost, la batería del Delta 2 puede cargarse un poco antes de tiempo llegando a barajar valores de poco más de una hora. Mis pruebas vienen a corroborar la ficha técnica del fabricante que indica que en 50 minutos tienes el 80 % de la carga completada.

No obstante, no es muy recomendable hacerlo así de forma habitual, dado que la carga rápida puede tener un impacto negativo en la vida útil de la misma, a pesar de que como ya hemos mencionado, estas baterías de nueva generación soportan los 3000 ciclos de carga.

Alfonso Casas / Foundry

Conviene manejar los tiempos de carga y salvo que te surja un imprevisto y tengas que cargar la estación con la máxima velocidad, es mejor reducir el valor incluso hasta los 200 W (para lo que tardará algo más de 6 horas) con el fin de hacerlo de manera eficiente.

Ante la ausencia de paneles solares, no he tenido la oportunidad de probar los tiempos de carga con esta modalidad. En cualquier caso, la estimación para un panel de 160 W puede llegar a requerir de hasta 8 horas de conexión siempre que tengamos un día totalmente soleado. 


Dentro del apartado del software de gestión, los ingenieros/as de EcoFlow parecen haber invertido tiempo en mejoras sustanciales para poder controlar sus estaciones de energía, algo que se nos antoja necesario si queremos contar con una mayor supervisión. 

Así, el Delta 2 ahora añade soporte para dispositivos Android e iOS, algo de lo que carecía el modelo original. También puede conectarse a la red wifi de casa para monitorizar de forma remota su estado a través de una conexión a Internet desde cualquier parte, siempre que permanezca activo y conectado a la red. 

Tras la instalación inicial, la aplicación requiere de un inicio de sesión, algo que podría incomodar a algunos. En los casos en los que no haya posibilidad de red wifi, es posible aprovechar el soporte de Wi-Fi Direct ante la ausencia de Bluetooth. 

Alfonso Casas / Foundry

La aplicación resulta sencilla de usar con las funciones justas y necesarias para gestionar la estación. La pantalla principal muestra el estado de la carga y una estimación de horas de autonomía en tiempo real que quedan en función de la carga que le conectes, algo que no parece muy preciso que digamos. 

Desde aquí podemos modificar las tasas de carga de cada puerto o zona de conectores, establecer cuándo se apaga el equipo, controlar la descarga de energía, ver la temperatura del sistema y establecer los tiempos de espera. 

Si habilitas las notificaciones, también puedes ser informado en la pantalla de tu móvil de cada situación que se de en el equipo. Al fin y al cabo, si la unidad se mantiene conectada a tu red wifi de casa, puedes gestionar todo esto en remoto desde cualquier parte con una conexión a Internet. 


El precio de la estación de carga Delta 2 queda situado en los 1199 €, un precio ligeramente superior a los 1099 € que cuesta actualmente el modelo EcoFlow Delta mini con una potencia inferior de 1400 W. Ahora bien, tiene un tamaño algo más compacto. 

Hasta el momento, no tenemos muchas referencias de productos que hayamos probado previamente, con lo que es difícil hablar de la competencia. Lo que sí puede añadir es que tuve la ocasión de visitar la feria IFA de Berlín del pasado año y comprobamos que las estaciones de carga son productos con una gran oferta de marcas y modelos.

Más allá de la necesidad puntual de su uso que podamos tener con una simple salida al campo, cada vez son más los usuarios que debido a las altas tarifas eléctricas se decantan por tener un equipo de estos en su casa para ahorrar energía, cargándolo en horas de tarificación baja (valle), para alimentar a dispositivos en las horas de mayor precio (punta). 


La nueva estación de carga EcoFlow Delta 2 llega con interesantes ventajas frente a la generación anterior. Partimos de que sus baterías son más eficientes, con lo que la vida útil del equipo se amplía y tendrás más tiempo para amortizar su compra. 

A esto hay que añadir que también se gana en disponibilidad. El sistema de carga rápida X-Boost, aunque algo ruidoso debido al funcionamiento de los ventiladores, te permitirá tener lista la estación cargada al cien por cien de su capacidad en menos de 1 hora si la enchufas a la corriente eléctrica. 

La variedad de puertos de conexión es muy amplia y seguro que encuentras uno para cada tipo de electrodoméstico o dispositivo que tengas que utilizar en medio del campo. Este modelo no dispone de ruedas, pero la marca tiene modelos de mayor capacidad que facilitan su transporte.

Otro aliciente de EcoFlow es que ofrece una garantía extendida de 5 años en el equipo, con lo que ante cualquier problema asociado a sus baterías, tendremos una respuesta por parte del servicio técnico o incluso de reposición. 

Gracias al conector de expansión del Delta 2, también podrás apilar baterías externas Delta Max hasta alcanzar los 3040 Wh, un valor bastante interesante cuando se trata de tener energía auxiliar en el hogar para una casa típica de campo. 


Capacidad de 1024 Wh

Almacenamiento extra con baterías hasta 3040 Wh

Potencia extra con X-Boost hasta 2400 W

Carga del 80 % en 50 minutos

Conectividad Wi-Fi y Wi-Fi Direct

Recarga con paneles solares (de 3 a 6 horas)

Baterías LiFePO4 con 3000 ciclos de carga

App móvil EcoFlow para Android e iOS

Gestión de puertos y energía suministrada

Dimensiones de 400 x 211 x 281 mm

Peso de 12 kg

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