Mighty Rom SE auto hard reset

[lioncat55]

okay i am starting to get kinda mad i have flashed to mighty rom SE and it has keep hard reseting on me my battery was down to about 7% and i turned my phone off so it would charge faster i turned it back on and it had hard reset on me

i know i to mess with computers and phones...but i don't know how to fix them all the time not trying to rant or any thing just would like help trying to find out the problem and if it can not be fixed i will be fine flashing to a new ROM and last thing i do have android on my phone ask any thing you need and i will be able to answers most if not all questions