MFG Evergreen
MPN L544
6 Volt Lithium Non-rechargeable Battery (Button Top)
Fits into the following systems:
Smart Dog Home Free Containment Systems SD-2000, HF-25W, and CKF-25W
Innotek SD-2100, SD-2200, SD-3100, and SD-3200
Innotek collar receivers: BC-50, BT-50, BT-50A, HF-25W, KB-50, CKC-25W, RF-25, SD-100A
Petsafe Indoor Radio Fence PIRF-300
Petsafe Little Dog Remote Trainer PLDT-300
Equivalent batteries cross reference:
PX28LBPK, PX-28LB, 28L, L28P, L28PX, 2CR1/3N, PX28L, K28L, 2CR11108, 28A, A544, PX28A, 544A, 4LR44, A28, RFA-18, K28A, V34PX, 7H34, 4NZ13, V4034PX, 4034PX, PX28AB, 1414A
The L544 lithium battery is commonly used in cameras. This battery is a mercury free alternative to the now banned mercuric oxide cell PX 28.The L544 lithium battery has exactly the same dimension as the L1325 or the S1325 battery. You can always use this battery in place of L1325 for improved performance less frequent battery changes.