Amazon.com: Duracell 245-6V Lithium-Battery, 1 Count Pack, 245 6 Volt High Power Lithium-Battery, Long-Lasting for Video and Photo-Cameras, Lighting Equipment, and More : Electronics
Battery suitable for 2CR5 Li-ion Battery Type 2-CR5, 2CR5M : Amazon.se: Electronics
6 x Panasonic 2CR5 Lithium Batteries for Canon EOS, 750, EOS 850, EOS RT, EOS 10 | eBay