Extra battery life for the BMC is a cinch with iKan's element power pinch clamp. This Blackmagic Clamp Solution for Panasonic D54 Batteries mounts to rails, tripod, or any clam point and works with multiple DV battery options.
iKan Clamp Solution Features
Mounts securely to your rails
Can be added to your rig without adding weight
It will give the user added battery life for the camera