Look for the certification label on the power adapter, which lists the wattage (W): Hold the Option key and choose Apple menu > System Information, then select Power. Find the wattage in the AC Charger section towards the bottom: If your Mac uses USB-C to charge, you can charge your Mac laptop with any USB-C power adapter or display. MacBook Air vs. MacBook Pro; After all, The 16-inch MacBook Pro has a 100-watt-hour battery while the aforementioned 14-inch models have a 70-watt-hour battery. Apple claimed that the 16-inch 2 years ago 233 4. MacBook Air M1 battery max capacity After 6 months of using MacBook Air M1 I was curious what is the max battery capacity. MacOS settings show that it is 96%. However console command (ioreg -l -w0 |grep Capacity) shows that it is 3895 mah which is nearly 88%. I believe standard power banks use 3.7 V batteries, so that’s 20 Ah * 3.7 V = 74 Wh. According to the official specs, the MacBook Air has a 49.9 Wh battery. So, if the charging process is 100% efficient (it’s not) then the Anker should be able to charge the MBA 74/49.9 = 1.5 times. At least that’s my understanding based on asking the same I got my 15 inch retina macbook pro brand-new less than a month ago, this last June. It is mid-2014 top-of-the-line model, A1398. Its full charge capacity started out as 89.3 Wh. Now after 5 load cycles, it takes about 86 Wh which is significantly below the proposed capacity of 95 Wh for 2014 models and 99.5 Wh for 2015 models. The 2022 version of Apple's MacBook Air gets a fresh look and the more powerful M2 processor, making it Apple’s best ultraportable laptop yet. Shorter battery life than 2020 M1 MacBook Air Bluetooth-enabled Mac computer with OS X 10.11 or later. iOS devices running iOS 9.1 or later. Apple’s newest wireless aluminum keyboard with bluetooth connectivity and white, low profile keys w/ silver housing. Rechargeable lithium-ion battery that charges via Lightning port. Model A1644. Order number is MLA22LL/A. Battery and Power. Up to 10 hours wireless web 3; Up to 12 hours iTunes movie playback 3; Up to 30 days of standby time 3; Built-in 41.4-watt-hour lithium-polymer battery; 30W 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 Charging MacBook and MacBook Air. All of these USB-C battery packs will charge the USB-C MacBook and ‌MacBook Air‌ at the same speed that you would get with the standard MacBook or ‌MacBook MacBook Air 13 inch A1369 models made in Mid 2011 to Mid 2015 MacBook Air 13" 1.7 GHz MacBook Air 13" 1.8 GHz MacBook Air 13" A1466 Mid 2012 MacBook Air 13" 1.8 GHz i5 Processor Mid 2012 MacBook Air 13" 2.0 GHz i7 Processor Mid 2012 MD231LL/A UuMS.