2CR1/3N Batteries

Energizer A544 28A 140mAh 6V Alkaline Button Top Photo Battery - Equivalent to 4LR44, PX28, 544 - 1 Piece Retail Card
$4.10
Duracell PX 28A A544 100mAh 6V Alkaline Button Top Medical Battery - Equivalent to 4LR44, 544 (PX28AB) - 1 Piece Retail Card
$6.45
Duracell PX 28L L544 160mAh 6V Lithium (LiMNO2) Button Top Photo Battery - Equivalent to 4LR44, 544 - 1 Piece Retail Card
$10.50

Commonly used for photo equipment, glucometers, dog collars, and medical equipment, the 6V 2CR1/3N (or commonly referenced as a 28N) alkaline battery is a compact yet capable cell.

Cross-reference: 28, 28A, 28L, PX28, PX28A, PX28L, 4G13, A544, 4LR44, KS28, V28PX, 1406SOP, 4SR44, Eveready L544, A544, Panasonic 4LR44, Kodak K28A, K28L, Varta V34PX, V28PXL, Rayovac 2CR1/3N, Maxell 4LR44P, Toshiba 4LR44, Neda 1414A, 1406LC, IEC 4LR44, 2CR11108, PX28ABPK