Official specifications:
Nominal Capacity: 5000mah(4900-5000mah)
Nominal Voltage: 3.7V
Weight: 95g±1g
Rechargeable Battery: Yes
Rechargeable Times: Up to 500 times
internal resistance: <20mOhm
Limited Charge Voltage: 4.2v
Working Voltage: 2.75-4.2V
Size: 65.5mm x 26.5mm (Diameter)
Place of Origin: China HongKong