As the recent proud owner of a 70D, Timelapse+ and licensor of LRTimelapse, I am very eager to get going with some nighttime and day-night work. A trip I have planned for the summer should make for some great opportunities. One question, however:

How does the the 70D do from a battery life perspective? I expect to shoot raw and in bulb mode with USB control from the TL+ Will the internal battery be enough or should I count on getting a battery grip?

Normally we use a battery dummy and an external powerbank connected. I once wrote a german blog post about that, maybe you can figure it out with google translate: http://gwegner.de/know-how/externe-12v-s...canon-diy/