Your number one concern for a long day of shooting is battery life, especially if you’re shooting video. When shooting HD video, an hour is a stretch for many camera batteries.

Check out this crafty and affordable hack from photographer Chris Winter, featured on his newly launched YouTube channel.

Using an external battery, DC coupler, hot-shoe plate and some industrial-strength velcro, Winter increased the battery life of his Canon DSLR to a ridiculous 9 hours of straight shooting. If you try this out, let us know how it goes in the comments below.