renata 370 (10 Pack) of 1.55 Volt 40 mAh Silver Oxide Coin Batteries. Applications may include calculators, watches, film cameras, medical instruments, cash registers, or FA instruments (measuring instruments, onboard microcomputers, sensors). 1.55 Volt 40 mAh Silver Oxide 370 Coin Cell Battery. Mercury Free.. --- Brand: renata Description: This is a 1 cell battery for Consumer and Industrial Applications. Type: High Drain Chemistry: Zinc / Monovalent Silver Oxide, High drain / Measures: 0.081" (2.05mm) Long X 0.37" (9.5mm) Diameter Designation: IEC-60086-3 Operating Temperature: -10C - 60C Capacity: 40 mAh, Discharge over 25.5k? at 20 C to 1.2V