Battery Type: Lithium thionyl chloride battery Battery Brand: VCELL/OEM Model: ER14335M Nominal Voltage: 3.6V Nominal Capacity: 1300mAh Discharge Cut-Off Voltage: 2.0V Max constant discharge current: 200mA Max. Pulse discharge current:500mA Work temperature: -60â??-85â?? Self-discharge rate: 10 years Wire/Connector: TBD Feature: non-chargeable, super long endurance, high energy density, wide work temperature, etc