Vinnic 4LR44 L1325 476A 6V High Voltage Alkaline Battery
Petsafe 6 Volt Battery
6V Alkaline Replacement Battery by PetSafe at Fleet Farm
Amazon.com: Eunicell 10 x 4LR44 4G13 L1325 A544 476A 6v Alkaline Batteries for Dog Collar, Alarm, Remote,Anti bark Collars, Door Bells, Key fobs etc. : Health & Household