Phottix Camera Battery Grips

Phottix Battery Grips:

BG-60D for Canon 60D

This battery grip can hold two LP-E6 or six AA size batteries to offer double-length shooting time.  It is also equipped with a vertical-grip shutter button, dial, AElock/FE lock button, and AF point selection button to make shooting with the camera in a vertical position just as comfortable as shooting horizontally.
BG-550D for Canon 550D, 600D This battery grip can hold two batteries LP-E8 or six size-AA batteries.  It is also equipped with a vertical-grip shutter button, Main Dial, AE lock/FE lock and AF point selection controls for easier vertical shooting.  Also has tripod socket.
BP-5DII for Canon 5D Mk II This battery grip can hold two Battery Packs LP-E6 or six size-AA/LR6 batteries.  It is equipped with a vertical-grip shutter button, Main Dial, AE lock/FE lock and AF point selection controls for easier vertical shooting.  It works with 1 or 2 LP-E6 Lithium-Ion rechargeable batteries.  Also has tripod socket.
BG-D7000 for Nikon D7000 This has the same functions as Nikon MB-D11 Grip, with AF/On and AE/On button, power switch, command dials and multifunction controller. The BG-D7000 will hold 1 EN-EL15 battery or 6 AA batteries in the included trays.
BG-D3100 for Nikon D3100 The grip takes one or two EN-EL14 batteries. Effectively double your shooting time. This grip comes with a vertical shutter-release button to enable shooting in the same fashion as a horizontal grip.
BG-D700 for Nikon D300 & D700 This has the same functions as Nikon MB-D10 Grip, with AF/On button, vertical shutter button, vertical common dial. This grip can hold one EN-EL3e, or one EN-EL4/EN-EL4a, or 8 x AA batteries.