Charger on solar batteries: specifications, appointment

In recent years gained a lot of popularity, such a device as the charging device on solar batteries. In this article we will discuss what exactly are these devices, what they do and what parameters you need to consider when choosing solar chargers. But first a bit of theory.

The Earth constantly receives from the Sun is quite powerful radiation – more than 1000 Watts per square meter. Thanks to the solar cells of this luminous flux is possible to 90-140 Watts with one meter. Solar panels are assembled from such cells, they are converters of light energy into electrical energy.

Now consider the charger on solar batteries and its main technical characteristics. The main parameter of such devices is the output power of the device, it will depend on the speed of charge of the connected batteries, solar panels or the possibility of “feed” any electronic device. Very often the charger on solar batteries imported has a small area of solar cells, but it has lots of compartments for batteries. It is assumed that the device is able to quickly charge all connected devices. But this is only a clever marketing trick. The actual charge rate depends on the square plates and, consequently, power output. It turns out that the charger is solar powered with a small area of photovoltaic cells will have low output power, respectively, such exercises are ineffective.

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The Second important parameter is the solar charging output voltage. The passport data of these chargers can be two values of voltage – the working and maximum. The maximum mean voltage without load, it will differ from work by about 15-20 percent. It is recommended to choose a mobile charger, solar battery which generates the operating voltage equal to (or slightly greater) the nominal voltage of the connected device. In this case, given the charging capacity will be maximum. If you decide to buy a charger more power than you need for your device, the excess power would just go to waste. However, in low-light conditions power output of the solar charge will decline, in this case, select device with a large capacity value will be quite justified. Of course, it's you.

To Sum up. Choosing a supply, you need to pay attention not only to the brand of the product, its design and so on, the main parameter should be the size of the matrix of solar cell. In this case, you will get a great and effective portable charger, solar battery which will be able in a short time to recharge your batteries or to provide uninterrupted operation of your tablet, laptop, etc. With mobile charging, even at a picnic or a long hike you will be able to use the necessary electronic devices, not saving battery.