Canon
LP-E6
Compact and lightweight rechargeable 7.4V, 1800mAh
Lithium-ion Battery Pack
Compatible with EOS 5D MkII, EOS 60D and EOS 7D.
1800mAh capacity allows up to 850 shots at normal temperatures on a
single battery charge.
Allows you to check remaining capacity on camera's power source
info screen.
Unique encoded microchip allows registration to camera using
menu command. Monitor the coniditon and power characteristics of up
to six batteries.