2 X Energizer A544 6-Volt Photo Battery

 SUPER FRESH AND LEAK FREE- ENERGIZER Brand high quality 4LR44 6V  alkaline batteries. 1 ON CARD EQUIVALENT TO - Many other brands like  PX28A, A544, 28PXA, 4LR44, 476A, 4G13, GP476, K28, V28, PX28AB, L1325,  1414A, V4034PX, PX28L, K28L, L544, L544BP, V28PXL, 2CR1/3N, 2CR1-3N,  CR28L, 1406LC, 2CR11108. WARRANTIED – All ENERGIZER brand batteries are  100% guaranteed to be of the best quality EXP 2021 WORKS FOR – Dog Bark  Collars, Pet Training Collars, Dog Fence Collars, toys, Watches, LAN  cable tester, Cameras, Calculators, Car Security Alarm, Keyless Car  Remotes, Organizers, Computer Equipment (memory backup battery) CMOS.  ENERGY SAVING, ECONOMICAL, AND DURABLE With a low power consumption,  this 4LR44 6V battery is energy saving with no pollution, no infrared  and thermal radiation. It adopts universal standards and features  extensively long working life and high efficiency great for use. It’s  convenient and compact to carry anywhere and anytime.