The Apple spec says battery life is up to 10 hours. There are too many variables of use to state an exact life. There's really no reason to run on full brightness, since it reduces battery life. The quickest way (and really the only way) to charge your iPad is with the included 10W USB Power Adapter.
The iPad Air 4 offers all-day battery life, going 10 hours and 29 minutes on the Tom's Guide web-surfing-based battery test.
It lasted for 37 days in our standby test. It achieved a One Charge Rating of 10 hours and 43 minutes, which is decent for a phone with a 2650mAh battery and a 5-inch HD screen, but it could have been better.
|iPhone 3G||iPhone 3GS|
|Battery Life (Web - Wi-Fi):||6 Hours||9 Hours|
|Battery Life (Music):||24 Hours||30 Hours|
|Battery Life (Video):||7 Hours||10 Hours|
|Standby Time:||300 Hours||300 Hours|
Apple says the test involves browsing 25 popular websites using Wi-Fi, with screen brightness set to “8 clicks from bottom.” Under these conditions, the 16-inch MacBook Pro fails to beat even the M1 MacBook Air — it only gets 14 hours of life compared to the Air's 15 hours.
From my personal experience as well as a poll I ran on reddit, the average MacBook Air battery charge will last a few hours short of what's advertised from Apple (12 hours). Apple calims “all-day” battery, but the truth is it depends on what your using your Mac for.
Get tips and tricks to extend your battery performance. The iPad Air (4th Gen) has a Standby time of up to 3 days and Usage time up to 10 hours.
The iPad Air may be smaller and much thinner than any full-sized iPad before it, but Apple still promises the same great battery life. That translates into up to 10 hours of web surfing or video watching on Wi-Fi, 9 hours on cellular (if you have a cellular model), and a whopping 24-hours as a personal hotspot.
The iPhone SE 3 and iPhone SE 2 include 2,018mAh and 1,821mAh batteries respectively. Apple claims that the 2022 iPhone can play 50 hours of audio on a single charge. On the other hand, the 2020 iPhone only lasts for 40 hours doing the same task. Both phones should last a full day on a single charge with average use.
MacBook Air can run up to 12 hours while using a wireless connection and up to 13 hours of continuous Apple TV video playback. The 13-inch and 15-inch Macbooks can run up to 10 hours, while the 16-inch models can operate without a power source for up to 11 hours.
The estimated time for the latest models released (2018 onwards) is approximately the same. MacBook Air can run up to 12 hours while using a wireless connection and up to 13 hours of continuous Apple TV video playback.
See How We Test Laptops The MacBook Air's biggest performance coup is its battery life. It lasted an epic 17 hours 36 minutes on our rundown test, almost two hours longer than last year's iteration (15:51).