Sony Playstation 3 (PS3) Console "phone shut doesnt turn back" Questions

shut off!! this is a manuel reset!!! the system will turn back on!! asking u to connect your controller!! you already have it connected. then it will give you about 6 options!! you will choose RESTORE

...turn off the whole sytem which really pisses me off cause if i b in the middle of a game. I have checked the battery life and it appears to be fine...it somtimes does it 15 mins after being fully ...