Amazon.com: Duracell Photo 28L - Battery 1 Count (Pack of 4) (Packaging May Vary) : Health & Household
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Amazon.com: Duracell 28L Lithium Battery Replacement for 46V 2CR11108, L544, PX28L : Health & Household
Amazon.com: Duracell 28L 6V Lithium Battery, 1 Count Pack, 28L 6 Volt High Power Lithium Battery, Long-Lasting for Video and Photo Cameras, Lighting Equipment, and More : Electronics
PX28LBPK Duracell - Datasheet PDF & Technical Specs