Create your own DSLR external battery pack

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Anyone shooting HD video on a DSLR knows how quickly the battery can drain. You can get AC power adapters for some cameras, but where there’s video, there’s not always an outlet. In this tutorial on DIYPhotography.com, camera hacker Chris Winter shows you how to make an external battery pack system with about nine times the runtime using a $40 battery pack, DC coupler, hot-shoe plate and some Velcro. Learn more