Battery and Power. Up to 10 hours wireless web 3; Up to 11 hours iTunes movie playback 3; Up to 30 days of standby time 3; Built-in 41.4-watt-hour lithium-polymer battery; 29W USB-C Power Adapter; USB-C power port; Electrical and Operating Requirements. Line voltage: 100V–240V AC; Frequency: 50Hz to 60Hz; Operating temperature: 50° to 95° F Tried these: Called Apple (surprise - you are SOL) SMC / VRAM etc. List item. Battery calibration trick ( New battery: "The battery's capacity is significantly reduced.") Deleting the power management plists etc. This is MacOS 12.1 BTW. I had planned to continue to use this computer for years - it has lots of RAM and I never have issues with it Hey Craig, Can I use a battery from a 2015 model for a 2012 model. The only reason why why ask is that the mAh capacity for a newer macbook air is 7150 , while the cap for an older is 6700 Important Battery Message: "The battery's capacity is significantly reduced. To restore capacity, please check your service options". Not sure what to do about this. Ever since the last software update to my Macbook Air, the battery life is significantly impacted. Any suggestions would help! Here’s how to recalibrate your MacBook’s battery: Fully charge your MacBook to 100%. Keep the laptop running while connected to the power supply for a couple of hours. Unplug the MacBook from The Apple MacBook Air "Core i5" 1.6 13-Inch (Early 2015/Broadwell) features a 14-nm "Broadwell ULT" 1.6 GHz Intel "Core i5" processor (5250U) with two independent processor "cores" on a single chip, a 3 MB shared level 3 cache, 4 GB or 8 GB of onboard 1600 MHz LPDDR3 SDRAM (4 GB of RAM originally with the option to upgrade to 8 GB at the time of IafVu.

macbook air 2015 battery capacity