Canon Battery Grip BG-E2 (BP-511, BP-511A)
The Canon BG-E2 battery grip will double the length of your battery life. The grip holds either two BP-511 battery packs or six AA batteries and offers a shutter, main dial, AF point selection, AF/FE lock, and AV +/-. The BG-E2 grip is also compatible with the optional AC adapter kit ACK-E2. Add this grip to your collection to experience extended shooting time and easier vertical shooting.