This replaceable powerful rechargeable Li-Ion battery is specifically designed to power AGM RattlerV2 Rattler-C V2 and Clarion series thermal devices. - Capacity- 4400 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)