Battery Battery Size 1/2 AA Battery Chemistry Lithium Voltage - Batteries 3.6V DC Standard Battery Pack Size 1 Capacity - Batteries 1 200 mAh Battery Cross-Reference 14250 CR14250 CR14250SE Application Electronics Terminal Type - Batteries Button Diameter 0.57 in Height 0.95 in Max Operating Temp 176 Degrees F Min Operating Temp -67 Degrees F Standards UL MH28122