1. Capacity: 20000mAh
2. Battery: High Quality Lithium Polymer
3. 1 USB Output
4. Input: DC 5V/2.0A     Output: DC 5V/2.1A
5. Perfectly compatible with smart mobiles and all 5V digital devices
6. Over charge, discharge, Overcurrent, Short-circuit, Overvoltage protection.

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