This MacBook replacement battery is what you need to bring your dead laptop back to life!

• 100% factory tested.
• Tested and guaranteed to have no cycles on the cell and to have a capacity greater than 4900 mAh.
• Spot tested by iFixit staff in San Luis Obispo, CA to ensure consistency of quality and capacity.

Battery degradation is an inevitable part of your MacBook's lifespan, extend it with this new replacement battery compatible with 13.3" MacBooks (excluding MacBook Unibody and MacBook Air). Factory-installed MacBook batteries are rated to last 300 cycles. If your laptop 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.