The InfiniCell 12 volt 38 mAh battery is for use in remote controls. It can replace the following batteries: Alarm Cell A23, Alkacell 23A, AWI L01, Citipower 23A, Duracell MN21, Duracell MN21B, Duracell MS21, Energizer AG23, Energizer E23A, Eveready A23, Eveready A23BP, GE/Sanyo 23A, Gold Peak GP23A, Gold Peak GPA-23A, Golden Power MS21, I.E.C. 3LR50, Kodak K23A.