MacBook Air 13" (Late 2018-Early 2020) Battery This late 2018 to early 2020 model 13" MacBook Air replacement battery fix kit includes all the tools needed 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 4160 mAh. Spot tested by Office Catch staff in Sydney to ensure consistency of quality and capacity. Battery degradation is an inevitable part of your laptop's lifespan, extend it with this new replacement battery compatible with MacBook Air 13" (Late 2018-Early 2020). Factory-installed MacBook Air batteries are rated to last 1000 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. SPECIFICATIONS Model # A1965 Watt Hours 49.9 Wh Voltage 11.4 V Milliamp Hours 4379 mAh