Yup, added a 12V military battery to it, a switch to turn on two white (wish Igor would make white an option) led strips, one on each strap, and a car power outlet (the blue and green) so I can see at night AND charge a phone/GPS or anything else with a 12V plug.
It also has a plug that puts the battery in the bag in parallel with my truck battery so it charged during when not in use. I walk alot, this was my solution to carrying a flashlight.
