Duracell PX28LB 6V Lithium Battery PX28LBQ B&H Photo Video
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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
Duracell Battery PX28L, 6 Volt
Amazon.com: 8 x L544 6 Volt Lithium Batteries (28L, PX28l & 2CR1/3N) : Health & Household