Energizer Zero-Mercury A544BPZ Miniature 6V Alkaline Battery
Size replaces 544, PX28A, 4LR44 and V4034PX. 6 volt, 150 mAh. Cell is four No. A76 batteries in series with a metal jacket. 150 mAH. Carded.
4LR44 GP476A 4A76 PX28A L1325 6V Battery Alkaline for Dog Collar, Vinnic A28PX 5 pcs 6V Replacement Alkaline Batteries (compatible to L1325, 4LR44), PX28A Dog Collar Battery Fits PetSafe Bark Collars and Replaces PDT0011234,