The AWT IMR 20700 (4200mAh) 40A 3.7V flat-top battery is designed with lithium-ion.The Aweite Technology 20700 40A 3.7V battery is rechargeable and works well with devices that are equipped for high draining.
Model: Aweite IMR 20700
Nominal Capacity: 4200mAh
Nominal Voltage: 3.7V
Continuous Discharge Current: 35A
Maximum Short Peak Discharge Current: 40A
Dimensions: 23mm x 67mm