Default MB886 won't charge battery unknown HELP

I rooted my phone and unlock bootloader with CWM I added a custom the latest nightligh kit kat 4.4.2 to my atrix HD after 2 days the phone wast charging and the battery icon has a question mark(?) and the phone says battery unknow it wont charge at all., I don't know if this was after I formated the system,data,persist and firmware I am new to this and started messing around with everything,I tried rsd lite but I dont have enough charge to inizilate sow I really don't know what to do.Sow if anyone can help me I will be thankfull