Coin Cell Battery Battery Size 2430 Battery Chemistry Lithium Voltage - Batteries 3V DC Standard Battery Pack Size 1 Capacity - Batteries 290 mAh Battery Cross-Reference 5011LC CR2430 DL2439 ECR2430 L20 Drain Type - Battery Medium Drain Diameter 0.961 in Depth 0.112 in Max Operating Temp 140 Degrees F Min Operating Temp -40 Degrees F Standards ANSI/IEC Color Code No Code