6V Duracell Lithium Battery. This battery can replace the PX28A Alkaline Battery.
This PX28L 6V Duracell Lithium Battey is great for cameras, photo equipment & other electronic devices. Also compatible with some electronic dog collars.
Replaces: 28A, 28L, PX28, PX28A, PX28L, 4G13, A544, 4L544, KS28, V28PX, 1406SOP, 4SR44
Eveready: L544, A544
Panasonic: 4LR44
Kodak: K28A, K28L
Varta: V34PX, V28PXL