Battery Battery Size A544 Battery Chemistry Alkaline Voltage - Batteries 6V DC Standard Battery Pack Size 1 Capacity - Batteries 140 mAh Battery Cross-Reference 476A 4LR44 GP476 K28L L1325 PX28A V28PX Application Camera Terminal Type - Batteries Button Diameter 0.5 in Height 0.94 in Standards ANSI/NEDA IEC