Knowing how many charge cycles your battery has and how many are left can help you determine when a battery replacement is required. Replacement Battery Compatible with MacBook Pro 13 inch A1322 A1278 (mid 2009 2010 Early 2011 Late 2012 Version) MB990LL/A MB991ll/A MC374LL/A MC700LL/A MD313LL/A MD314LL/A.
In this example, it might take several days to complete a cycle.īatteries have a limited amount of charge cycles before their performance is expected to diminish. Once the cycle count is reached, a replacement battery is recommended to maintain performance. You can use your battery after it reaches its maximum cycle count, but you might notice a reduction in your battery life. If you did the same thing the next day, it would count as one charge cycle, not two.
Close the display and lay it on a soft surface, top-side down. A1322 Battery for Apple MacBook Pro 13'' A1278 (Mid 2009 2010 2011 2012) Unibody, 1yr warranty, free delivery, cash on delivery across India, 10 days money. Before proceeding, power down your MacBook. A charge cycle happens when you use all of the battery’s power-but that doesn’t necessarily mean in a single charge.įor example, you could use half of your notebook's charge in one day, and then recharge it fully. Tool used on this step: P5 Pentalobe Screwdriver Retina MacBook Pro and Air.
When you use your Mac notebook, its battery goes through charge cycles. Replace a scratched or malfunctioning trackpad in your Mid 2009 to Mid 2012 13 Unibody MacBook Pro model A1278 laptop.