This MacBook Pro 13" Unibody (Mid 2009-Mid 2012) replacement battery fix kit includes all the parts and tools you need to bring your dead MacBook Pro back to life! 100% factory tested. Spot tested by iFixit staff in San Luis Obispo, CA to ensure consistency of quality and capacity. New battery guaranteed at capacity greater than 5510 mAh. Battery degradation is an inevitable part of your laptop's lifespan, extend it with this new replacement battery compatible with MacBook Pro 13" Unibody (Mid 2009-Mid 2012). Factory-installed MacBook Pro batteries are only rated to last 1,000 cycles. If your MacBook Pro won't turn on, turns off suddenly, has a "service battery" warning, or simply won't hold a charge, this replacement battery may be what you need to fix it. Our aftermarket replacement batteries lead the industry in quality and reliability, so you know you're getting the best money can buy. |