Hello guys i am worry because this is the second time that it show my battery service they first time it came out was one day that my mom was using it and she spend several hrs playing with my macbook that day i really freak out, but i just charged the computer never happen again, this time i am actually sitting at work watching episodes of a show and the battery service came out again now should i worry and call the apple store i still have warranty on my macbook and just take it to the apple store so they can take a look at it Guys. I need suggestion and help please.