This may be my first post but I've been regularly reading this forum for around 2 years now and would like to say thank you. Okay the issue... This has only happened twice since I got my iPhone on launch day. Basically my battery would get down to around 12-15% and a second later I would watch it jump to 1% then turn off. Attempting to turn on only results in the charging animation. When I do put it on charge it will turn back on and instantly jump back up to say 13%. Is there something up with my particular phone? Ive asked around fellow iPhone users and no one has experienced this problem.