The model number can be found on the bottom of the MacBook near the screen. This battery is exclusively designed to replace the original battery found in the first generation of 17" MacBook Pro laptops made between 2009-2010 with the model number "A1297". MacBook Pro (15-inch, 2.Does your Apple MacBook 17" battery not last as long as it used to? Get longer battery life and improved laptop performance with a MacBook Pro 17" A1309 battery from LBE. MacBook Pro (Retina, 15-inch, Early 2013) MacBook Pro (Retina, 13-inch, Early 2013) MacBook Pro (Retina, 13-inch, Early 2015) MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports) MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports) MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports) MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports) MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports) MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports)
MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports) MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports) Under the Hardware section of the System Information window, select Power. The current cycle count is listed under the Battery Information section.Hold the Option key and click the Apple menu , then choose System Information.Your battery is designed to retain up to 80% of its original charge capacity at its maximum cycle count. For best performance, replace your battery when you reach its maximum cycle count.įollow these steps to access information about your Mac notebook battery, including its cycle count: Knowing how many charge cycles your battery has and how many are left can help you determine when a battery replacement is required.
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. 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. When you use your Mac notebook, its battery goes through charge cycles.
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