Exell A28PX 6V Alkaline Battery L544BP V28PXL K28L PX28A A544 Exell Batteries not only provide consumers with high efficiency, long-lasting performance, they also function as replacement batteries for an array of common and unique applications. Ranging from vintage camera equipment to sophisticated medical testing equipment. Exell Batteries can meet the needs of all consumers. Also known as: PX28A, A544, 4LR44, K28A, V34PX, 7H34, 4NZ13, V4034PX, L1325, 4G13, 4034PX, PX28AB, 1414A.This 4LR44 (PX28A A544 L1325) is a popular alkaline (Manganese Dioxide) cell that is commonly used in cameras and remote control devices such as Innotek and Pet safe dog collars. This 4LR44 (PX28A A544 L1325) battery is a popular replacement for the now discontinued PX28 mercury battery. These mercury batteries, no longer manufactured because of their toxicity, were variously known as PX28, 4MR44, V4034PX, 4H-C, 4NR44, HM-4C.CompatibilityDt Systems: 1145DT, Ultra-e 2090Duracell: PX28A, PX28ABEnergizer: A544Innotek: BAT-001, BC-50 RECEIVER, BT-50 RECEIVER, BT-50A RECEIVER, CKC-25W RECEIVER, HF-25W RECEIVER, KB-50 RECEIVER, RF-25 RECEIVER, SD-100A RECEIVER, SD-2025 RECEIVER Kodak: K28ANeda: 1414APanasonic: 4G13, 4LR44Petsafe: BC-102 BARK COLLAR, PEL-100 ELECTRONIC LEASE, PG-250 RECEIVER, PVPP-300 PET PAGER RECEIVER, RF-250 RECEIVER, RFA18, RFA18-11Varta: 4034PX, 4NZ13, 7H34, V34PX, V4034PXVinnic: L1325.