This battery grip lets you provide the Canon 70D with extra power. The grip holds 2 LP-E6 lithium-ion batteries or 6 AA batteries. Ergonomics and ease of use also benefit from this grip. The grip features a second shutter release button, command dial, multi-controller, AE/FE lock button, AF start button, and a multi-function button. The grip and the second shutter release button make the camera more manageable in portrait mode.