They’re fairly inefficient too, they take a long time to charge from the sun, can only be charged up when there actually is some sun, and tend to charge phones pretty slowly. This massive eight-panel solar charger gets you a whopping 40 watts of power, enough so that you get a laptop/tablet charging port as well as a regular smartphone charging port. Note: This charger is not compatible with the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets. Note: a mobile being used will show a lot less than this so put leave mobile alone and in shade and come to it in say 30 mins and you should see 30% increase.

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And SmartIC tech will let the charger identify a device and ensure that it charges at the maximum possible speed. The top performer was the Anker Powerport Solar 21W which managed to give the RavPower enough for two full charges of the Galaxy J6. In fact, even if you don’t need AC power, you might be better off skipping the solar charger altogether and starting with a USB battery pack.The panels themselves are super efficient, and the device comes with hooks so you can easily hang it on your bag to catch the sun during the day. After 3 hours in full sun, this panel had charged our battery 49%, close behind the Instapark's 50% charge.

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Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices. Other products, like the Nekteck 14W had trouble charging both the batteries, but the Powerport Lite 15 delivered a charge slowly, but consistently. As the phone gets hot, it defends itself by not ingesting as much power, so in the same situation the solar panel is working well, the iphone will respond badly. Thanks to the fact that its nylon it’s pretty rugged too, though not quite as durable as one of those military grade battery integrated chargers.It’s got two charging ports, and comes with metal hooks included so you can easily attach the panel to your bag or a tree to allow for easy charging. The Powerport Lite 15 was one of the few panels, along with the Anker 21W and the Instapark Mercury 10W, that was able to continue charging our battery packs after multiple interruptions. But portability is really a key here, with this charger folding down to a very small size and tucking away inside a handy pouch. Sorry if I not very techy but I have just purchased a Powerpoint solar 15 and a Powerpoint Core 20100. You can use the solar charger to charge a power bank or you can hook devices up directly to the USB connections to charge directly from the solar charger.