1. Input: DC 5V 2A
2. Output: 5V 1A,5V 2.1A ≥59wh
3. Built-in battery capacities: 3.7V/20000mAh 74wh
4. Battery Type: Lithium Battery
5. Charge retention: >5000hrs
6. Cycle life of charging: 500 times (1 time = from 0% to 100%)
7. Net Weight: 445g
8. Size: 162.5*79.6*22mm
