4LR44 Battery is a 6 volt alkaline battery (non-rechargeable), which looks like a smaller version of a C cell battery. The 4LR44 Battery is most commonly used today in dog-collars. This battery goes by several other model numbers or names, such as: the PX28a, the A544, and the L1325 Battery.
This 6-volt alkaline battery is primarily used to power photo equipment, garage door opener, glucometers, and medical equipment. Also compatible with some electronic dog collars & invisible fence systems.
4LR44 Battery is compatible with the following models:
544BP, A544BP, 544A, V4032PX, L1325 Battery, 1414A, K28A, UL544A, BAT-001 Innotek, RFA-18, UL544A 6V, Innotek BAT-001, PX-28AB, A544, L1325 Dog, RFA18, 7H34, 4034PX, V34PX,