HELP... Ran my M9 dead now it will not charge or power back up

ok guys i got a hopefully a small problem.. i was watching YouTube and the battery was red alert low then it powers off so i plug it in and about 15 mins later i went to power it back on and it gets to the Leedroid boot animation and powers back off so i tried again and this time it displays the battery %0 and turns back off. this is the first time that i have had this problem.. hope its like its not recognizing the charger someone can give me some help .please
M9 Developer Edition
S-Off
running LeeDroid R26
latest firmware 617.15 Devloper