1. Aultralong using life
2. Have a large capacity, small size, portable, safe and reliable characteristics.
3. Color: black, white or as you like
4. Capacity: 8000mAh
5. Battery cells: polymeride cell
6. Dimension: 130*805:.5*15mm
7. Weight:255g
8. Input: DC 5.0V/1000mA
9. Output1: DC 5.0V/1000mA Output2: DC 5.0V/2100mA
10. Transfer efficiency: 90%
11. Can ensure above 80% electric quantity after ultralong 500 times circulation

