3~ DURACELL 6 volt Lithium Photo Camera Battery 28L, 2CR11108, L544, PX28L 766717021577 | eBay
Amazon.com: 2x 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
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