AGM NE-4400 Rattler V2 Rechargeable LI-ION BatteryThis replaceable, powerful, rechargeable Li Ion battery is specifically designed to power AGM RattlerV2, Rattler C V2, and Clarion series thermal devices. Capacity 4,400 mAh Nominal Voltage 3. 6 V Standard Charge Current 1. 32 A Standard Discharge Current < 1 A Compatible Devices: RattlerV2 Series Rattler C V2 Series Clarion Series Dimensions 55. 9 x 37. 4 x 34 mm (2. 20 x 1. 47 x 1. 34 in)