7d,

More Power for More Shots: Each 2650mAh battery offers 800 photos compared to smaller batteries with a limited amount of shots available;
Diverse Compatibility: Works with these popular Canon models that use LP-E6 & LP-E6N batteries: EOS 5D Mark IV / 5D Mark III / 5DS / 5DS R / 5D Mark II / 6D / 7D Mark II / 7D / 80D / 70D / 60D / 60Da and BG-E16, BG-E14, BG-E13, BG-E11, BG-E9, BG-E7, BG-E6 Grips
Two Batteries for Emergencies: Carry a fully charged backup battery wherever you go so you’re never left without power;