LARGE CAPACITY. Built in Eco-friendly 20000mAh Li-Polymer battery, work with all iPhone/iPad/Tablets, other cell phones and electronic devices. Automatically adjust the output power to deliver the optimal charging current keep your devices from overcharging, over-current, over-voltage and short circuit. Ideal choice for hiking, camping trips or other outdoor activities.

Portable & User-Friendly. Handy compact solar charger, holded like a smart phone. You can put it in backpack or even your pocket while charging your phone. 

Specification:

1. Output voltage: DC 5 V

2. Output current: 5.0 V / 1000 mAh ~ 2000 mAh

3. Input voltage / current: 5.0 V / 1000 mAh

4. Battery capacity: 3.7 V / 20000 mAh

5. solar panels: 5.5V 300mA 1.5W

6. Solar chatting rate: 10 ~ 11%

7. Product size :( L) 17 * (w) 78 * (h) 160 mm

8. Weight: 360 g