Canon BG-E3 Vertical Grip.

The Canon BG-E3 Battery Grip is designed specially for the EOS Digital Rebel XT camera. The BG-E3 holds up to two NB-2L battery packs or six AA batteries to offer double-length shooting time. The vertical shutter release makes shooting with the camera in a vertical position just as comf ...

Nikon MB-D200 Multi-Power Battery Pack for the D200 Digital Camera.

The Nikon MB-D200 Multi-Power Battery Pack holds two EN-EL3e Lithium-Ion rechargeable batteries, effectively doubling your total shooting time or holds the MS-D200 AA Battery Holder (included) so users can use AA batteries as a power backup. The pack also provides an AF-on button, vertical f ...