Product specifications and features:
Capacity: 20000mAh Polymer Slim Battery
Dimension: 153 x 76 x 9mm
Can be recharge up to 500 cycles
Operating Temp: 10c ~ 45c
Output: A:1000mAh B:2100mAh
Color: Black, Silver, Pink, Blue, Gold
Warranty: 12 months on powerbank.