Solar chargers

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How to choose the right solar charger?

First of all, what is a solar charger?

A portable solar charger is a compact electronic device designed to convert solar energy into electrical power, enabling the recharging of cell phones and similar small electronic devices. These portable solar chargers can charge batteries up to 48 volts, and offer a capacity of several hundred amps per hour. Most of these chargers are equipped with an intelligent charge controller, enabling efficient management of the charging process.

Advantages and different types of solar chargers

The market for external batteries is experiencing significant growth, particularly among people who need to use their cell phone all day long, or when an electrical outlet is not available, and who wish to avoid ending up with a flat battery. Demand for portable solar chargers is constantly growing, which is understandable given their ease of use (they rely solely on solar energy).

The different types of solar chargers

Manufacturers of portable solar chargers tend to use several small solar panels connected in parallel, due to the low power of each individual panel. This configuration maximizes the capture of solar radiation and energy. It's important to note that not all solar panels are the same, and their performance can decrease with increasing temperature. Here are the two types of solar panels most commonly used in the manufacture of portable solar chargers.

Monocrystalline panels

Hue : Darker color
Range: Capture more radiation
Recommended for : Cloudy days (low radiation)

Polycrystalline panels

Hue: Bluish color
Range: Generate lower temperatures
Recommended for: Sunny days

How to make the right choice

However, it's important to note that there's no such thing as a perfect solar panel. As previously mentioned, most solar panels perform best in less intense sunlight. If you use your portable solar charger regularly, you'll quickly realize this. It is therefore advisable to choose the type of solar panel best suited to the weather conditions at your destination or usual place of residence.

Advantages and disadvantages

Portable solar chargers offer several advantages in terms of energy savings. They require no special maintenance, apart from the basic precautions we observe with small electronic devices, such as avoiding exposing them to extremely hot or cold temperatures.

These solar chargers offer the possibility of recharging small electronic devices in almost any situation. Whether you're walking down the street, cycling or doing any other outdoor activity, you can rely on them to power your devices.

Because of their robust design, manufacturers of portable solar chargers generally offer extended warranties, of at least two years. What's more, these solar transformers are designed for long-term durability, being able to operate trouble-free for up to 25 years, even with constant use.

And because there has to be a downside, according to tests and manufacturers' opinions, it's generally found that charging with a solar charger is slower than with a conventional charger, but in the mountains clipped to your backpack or bike, you'll have unlimited access!

Different purchasing criteria

The day cell phones with inexhaustible batteries are invented, we'll no longer need chargers, solar or otherwise. Unfortunately, this technology is not yet available, which makes the solar charger a practical, ecological and efficient solution, especially for frequent travelers. It's an alternative that prevents us from finding ourselves without a tablet, cell phone or other electronic device requiring recharging. When choosing a solar charger, here are the factors to consider.


The power of a solar charger is an essential criterion that determines its quality and efficiency. It is measured in milliamperes per hour (mAh). The higher the wattage, the faster the solar charger will charge the battery. When making your choice, we recommend that you opt for a model with a minimum output of 1,000 mAh, and preferably higher if possible. You can carry out tests to assess the power of your solar charger.

Simultaneous charging

Some solar chargers are equipped with features that allow you to charge several devices simultaneously. This is particularly useful when you're traveling with other people, or hiking with several devices to charge. These solar chargers allow you to charge several devices at the same time, making it easier to share the available solar energy and keep everyone connected.

Weight and size

Depending on the brand you choose, the dimensions and weight of your solar charger can vary considerably. Given that this device is intended to be taken on trips, it's important that it's neither too heavy nor too bulky, so you can easily slip it into your bag. However, it's essential to bear in mind that the charging speed of your charger is directly related to the size of the solar panels. So it's important to think about whether you're looking for portability and lightness, or fast-charging capacity.

The quality

Because of their outdoor use and dependence on solar energy, solar chargers are more susceptible to drops, knocks and accidents. Therefore, it's essential that these devices are made from extremely resistant materials. Ideally, you should choose a solar charger that is not only durable, but also waterproof and resistant to water and dust, making it even more suitable for outdoor use.
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