This grip is specially designed for the Canon 80D & 70D cameras. It is equipped with an alternate shutter-release button, main dial, AF point selection / Magnify button, AE lock / FE lock / Index / Reduce button, AF start button, and AF area selectinon mode button for comfortable access to the 80D's controls while shooting in a vertical position. This power grip can hold two LP-E6 rechargeable lithium-ion batteries at a time. Two Li-ion battery trays are included along with 1 AA battery tray.. So you can pro-load the spare tray and change batteries ultra fast!