Battery Battery Size 28L Battery Chemistry Lithium Voltage - Batteries 6V DC Standard Battery Pack Size 1 Capacity - Batteries 160 mAh Battery Cross-Reference 2CR11108 L544 PX28L Application Camera Car Alarm Terminal Type - Batteries Button Diameter 0.5 in Height 0.94 in Max Operating Temp 140 Degrees F Min Operating Temp -4 Degrees F Standards ANSI