6 Replies Latest reply: Dec 11, 2012 12:11 PM by shebihi
shebihi Level 1 Level 1 (0 points)

Hello; I have a brand new backup battery for MacBook Pro mid 2010 ,I didn't use it for more than a year and when I started to use it again I faced this problem ,With a full charge  Mac will work for less than 10 minutes and the battery level didn't even drop to 90% and will suddenly shuts its self down ,when recharging ,it doesn'n take much time to reach 100% again but the same problem is happenning every time ,i have reset SMC with no success ,regarding the old battery is still working fine ,can any one help ?

MacBook Pro, Mac OS X (10.5.8)