Hi Severin, Have a look in Settings > Battery > Battery Health (Beta) - Maximum Capacity… is it 100%?
The best way to charge your iPhone is a little at a time, whenever you have a chance. The rule with Li-ion batteries is to keep them 50 percent or more most of the time. When it drops below 50 percent top it up a little if you can. A little a few times a day seems to be the optimum to aim for. But don’t charge it all the way to 100 percent . It won’t be fatal to your battery if you do a full recharge - most of us are forced to do this every now and again in emergencies. But constantly doing a full recharge will shorten the battery’s lifespan. So a good range to aim for when charging a Li-ion battery is from about 40- to 80 percent in one go. Try not to let the battery drop below 20 percent. Enable Low Power Mode. Introduced with iOS 9, Low Power Mode is an easy way to extend the battery life of your iPhone when it starts to get low. Your iPhone lets you know when your battery level goes down to 20%, and again at 10%, and lets you turn on Low Power Mode with one tap. Or you can enable it by going to Settings > Battery. Low Power Mode reduces display brightness, optimizes device performance, and minimizes system animations. Apps including Mail will not download content in the background, and features like AirDrop, iCloud sync, and Continuity will be disabled. You can still use key functions like making and receiving phone calls, email, and messages, accessing the Internet, and more. And when your phone charges up again, Low Power Mode automatically switches off. Cheers, Ronni 13-inch MacBook Air (April 2014) 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz 8GB 1600MHz LPDDR3 SDRAM 512GB PCIe-based Flash Storage macOS High Sierra 10.13.6 > On 9 Aug 2018, at 10:04 am, Severin Crisp <[email protected]> wrote: > > The battery indication on my iPhone 6 is erratic to say the least. I > normally switch my phone off at sleep time and on again at wake up. > TheBattery capacity in Settings says 96% of new. > Last night at switch off time it said 36% and I mentally noted the need for a > charge tomorrow, ie today. At switch on this morning all I got was the > picture of the low battery and need to charge - and it would not start. On > plugging in to a charger it did a start up and then showed the same 36% . > I have had this a number of times and it is most annoying. A warning or > error below about 10% would be fine. > Any comments other than charge daily would be informative! > Severin Crisp > ____________________________________________________ > > Assoc Prof R Severin Crisp, FAIP, FIP, CPhys > 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia > ph (08) 9842 1950 Mob 0484 624 741 > mail to: [email protected] > <mailto:[email protected]> > _________________________________________
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