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)