Battery specifications:
Type: 18650
Chemistry: NMC
Nominal Capacity: 3000mAh
Nominal Voltage: 3.6V
Discharge: 20A Max Continuous, Rated by Sony as 15A Max Continuous or 30A Max Continuous with 80°C Temperature Cutoff
Positive: Flat
Rechargeable: Yes
Dimensions: 18.2mm x 64.9mm