Battery Battery Size 1/2 AA Battery Chemistry Lithium Voltage - Batteries 3.6V DC Standard Battery Pack Size 2 Capacity - Batteries 1 200 mAh Battery Cross-Reference ER14250 LS14250 LS14250BA LS3BA XL-050F Application Data Logging Instruments Terminal Type - Batteries Button Diameter 0.57 in Height 0.95 in Max Operating Temp 176 Degrees F Min Operating Temp -67 Degrees F Package Quantity 2