Take a 10,000mAh Anker battery and a DC coupler from Amazon, add a hot-shoe plate and some industrial-strength Velcro, and throw it all at your DSLR. Nope, it's not a craft project -- it will give your camera an amazing nine hours of battery life.
This hack, by Chris Winter, gives a standard DSLR about nine times its standard battery life. Rough round the edges, for sure, but pretty cool -- and affordable too. [Chris Winter via DIY Photography via Peta Pixel]