Energizer Watch Battery 3 Volt CR2450 1 ea (Pack of 3)

They keep going, and going, and going.BatteryEnergizer BtActive Ingredients:LithiumUses:A 3.0 volt watch battery.(1) Keep away from small children. If swallowed, promptly see doctor; have doctor phone (202) 625-3333 collect. (2) Battery can explode or cause burns if disassembled, charged, or exposed to water, fire or high temperature. Keep in original package until ready to use and dispose of used battery promptly.