Kastar Pro Vertical Battery Grip (Replacement for BG-E10) + 2x LP-E10 Replacement Batteries for Canon EOS 1100D, EOS 1200D, EOS Rebel T3, Rebel T5, EOS Kiss X50 Digital SLR Cameras Kastar Pro Vertical Battery Grip can be used 1 or 2 LP-E10 lithium batteries, to meet user needs for long time continuous shooting When using two batteries, the grip will automatically switch to the second battery if the first becomes depleted. Switching does not interrupt camera operation. variety of operating controls: shutter button, Main Dial, multi-controller, AF point selection button, AE lock/FE lock button, AF start button, and multi-function button. Make photographers easily control to shoot vertical and horizontal, shooting can get the same feeling when handling, really stable when the photographer using for heavy weight lenses Same functions as the original battery grip, include 30-day Money Back and one year Warranty.