Opteka LP-E6 LPE6 2600mAh Ultra High Capacity Li-ion Battery Pack for the Canon EOS 70D, 60D, 60Da, 7D, 6D, 5D Mark II and III Digital SLR Cameras (Latest Model) Works for the following: Canon EOS 5D Mark II & III, 6D, 7D, 60D and 70D Ultra high power * True * 2600mAh; Lithium Ion 7.4v Memory free for maximum performance Built-in safety fuse 2 Year performance warranty