![]() ![]() Cheaper devices that lack this feature take longer to charge, as every time the charger stops, the connected device has to be reconnected to begin again. One of the most crucial is the auto-restart functionality available on some devices, which prevents charging interruption when it clouds over. Various other features can enhance the performance of your solar power chargers. ![]() If you want to charge your phone when it's not sunny, you'll want something with some kind of battery. The lightest solar chargers don't have an integrated power bank/backup battery, which means they don't store any energy when they're not connected to a device. Note that the capacity of the battery pack (mAh) determines how many times you can charge your devices, so choose a larger size if you’re going to be away from reliable electricity sources for longer periods. Opting for a solar power charger that has an inbuilt battery pack is generally more efficient than buying one without, as this means you can charge up the pack during the day and recharge your devices from it at night. For this reason, it’s important to note the wattage of the solar panels the higher this number is, the quicker your devices will be returned to full power. Solar power chargers are rarely known for the speed of their charging power, with many taking up to and over 10 hours to reach full charge. Those with in-built battery packs tend to be heavier but more convenient, while the size and number of solar panels attached to the device typically result in a faster-charging speed because of the larger surface area for absorbing energy from the sun, but again, these will add bulk to the device. Many of the devices are too heavy to be used for anything more than car camping, where weight isn’t of the essence. Not all solar power chargers are designed for backpacking. What to Look for in a Solar Power Charger Weight If you’re anticipating using your charger in anything but sunny conditions, the Big Blue 28 W Solar Charger, with its auto-restart feature, means it won’t miss a beat when it comes to charging, even if the sun disappears behind a cloud for a moment or two.įor efficient charging, even after sundown, opt for panels that come with their own battery pack, like the BioLite SolarPanel 10+. It’s proof that simplicity can be the greatest feature of all. In this case, the ECEEN solar charger features no additional bells and whistles, just a canvas cover protecting the solar panels from damage when folded. ![]() When it comes to anything electrical, the fewer the features, the smaller the chance of anything going wrong. Weighing in at only 0.85 pounds across two durable, monocrystalline silicon solar panels, it’s also extremely lightweight and will hardly add any bulk to your pack, although it doesn't have an integrated power bank. While manufacturers claim it can charge two devices at once, its low charging power means we recommend using it with just one - patience is definitely a virtue in this case. Despite having a panel size of only 13 watts, which supplies up to two amps, this charger is remarkably quick to bring your battery back to life. If you’re on the hunt for a no-frills solar phone charger, then the ECEEN solar charger is guaranteed to do the job. ![]()
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