• Compatible with 4LR44, 537, 2CR1/3N, 4SR44, 544, PX28, PX28L, V28PX, L544, 28SO, 4G13, 2CR1/N3, A544
• Also known as 4SR44 PX28 4G13 V28PX S28PX
• Compatible with RFA-16.
• Extra long life battery.
• Great for camera, dog training, many other applications.

544 Battery is compatible with the following models:
544, PX28-S, RFA16, V28PX, S544, 4G13, RFA-16-11, RFA-16, S1325, RPX28, S28, RFA1611, PX28, 4G13S, 1406SOP, 4SG13, S28PX, 4SR44,