Product Description
"u2605 10 pk 6V replacement no mercury u2605 Chemistry: Alkaline u2605 Works for Dog Bark Collars, Dog Training Collars, Dog Fencing u2605 For photo equipment, glucometers, medical equipment, and electric pet collars u2605 High quality 4LR44 6V alkaline batteries. 10 Pcs batteries are sealed in two card so batteries do not touch each other as they drain. "