This solar Built-in 20000mAh Lithium Polymer battery can Compatible with iPhone, Android smartphones, tablets and other USB-charged devices. It has intelligentDual-USB Charging ,which automatically detects and delivers optimal current for your connected devices. What is more, integrated multiple intelligent security protections to avoid over-charging and over-heating, guarantee stable power output. Function with waterproof, shockproof ,dustproof and light cigarette function and 2 LED flashlights, Perfect for outside activity as camping, travel, hiking constructions and many other emergency use.it is sturdy rain-splash & shock-proof design with a Hanger ,easily hang on bagpack and hands free on the go. Solar Panel: 2.0W Capacity: 20000mAhSolar Charging Speed: 200-220mAh/hr. (Depend on sunlight intensity and local weather) Q①: Using a wall outlet, how long does it take to fully charge the power bank from empty to full charge?A①: Normally it takes 10-15hrs.Q②: How long do these take to charge, if you just leave them in your window to charge from the sun?A②: If you charge from the sun, about 3 days full charge, and better to under direct sunlight.Q③: Can it be charged by a wall socket? A③: Yes. Solar Battery pack has 4 recharge way. By sunshine, By USB cable from Computer by Lamp, By Adapter.Q④: How do I know when it's full charger? A④: The blue lights flash, and the green light always lit up when it's charging in the sun. Once it is fully charged, the blue lights won't flash.Q⑤:What is LED flashlight function?A⑤: a steady, SOS, and strobe.Q⑥:Waterproof? A⑥:Yes. It can be used in normal raining days. It is made of waterproof material, thus perfect for outdoor use, you won't have to worry about the rain. But can't be put in water.Q⑦: What does in the parcel?A⑦: 1 x 1000mAh Solar Charger, 1 x Micro USB cable, 1 x User Manual
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