It has an 1821 mAh battery. Although the CPU and iOS software is efficient, and the display size being small, a small battery is a small battery at the end of the day. The phone needs to be charged a few times per day if you use it moderately. That's just how it is with small phones with small batteries.
Community Specialist. Jul 10, 2018 6:35 AM in response to Jasper Noor. Hello Jasper Noor, Thanks for reaching out to Apple Support Communities. I understand from your post that your battery health shows at 77% and you want to know if you need to change your battery and will it hurt the phone's CPU. Check out iPhone Battery and Performance.
Battery saver does make a difference to the iPhone 6S Plus’ stamina. With it on all day, I’ve found battery life is extended by around 20%, depending on the type of activity for which the In this giant tips roundup we gather the best power-saving tips and tricks to keep your battery running all day long, whether you’ve got a petite iPhone 8 or a massive iPad Pro. 1.5 hours longer battery life on iPhone 13 Pro than iPhone 12 Pro 2.5 hours longer battery life on iPhone 13 Pro Max than iPhone 12 Pro Max But keep reading below for more detailed battery life specs. I guess I noticed I could fully charge it, and it lost more than half power within about 12 hours even though not really in use. I could monitor it and be more precise. It would be interesting to know how fast it loses power just sitting on my desk. Will let you know what I find out. Thanks. eezTSbH.
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  • how long does iphone 8 plus battery last