Battery Battery Size CR2 Battery Chemistry Lithium Voltage - Batteries 3V DC Standard Battery Pack Size 12 Capacity - Batteries 800 mAh Battery Cross-Reference 15266 15270 5046LC CR-2 CR15H270 CR2 DLCR2 EL1CR2 KCR2 RLCR2-1 Diameter 0.61 in Depth 1.06 in Max Operating Temp 167 Degrees F Min Operating Temp -4 Degrees F Standards ANSI/IEC Package Quantity 12