I currently use a 20w 3rd party charging brick with the apple supplied cable to charge my iP13 pro max. Wondering what is the best charging behavior to maximise battery life and to
prolong battery health to maintain at 100% for as long as possible please?
iPhone 13 Pro Max
There are theoretically tiny things to increase battery longevity. The most important thing is to reduce the heat when charging, and Apple recommends charging without a case to help reduce heat. Theoretically using a lower power adapter can reduce the heat generated when charging, but it would be a very small difference.
Also - just because the iOS reported battery health stays at a specific number for a long time doesn't actually mean the battery hasn't lost capacity. For example, it might stay at 100% for 8 months but then drop 5% all at once. That doesn't mean that it dropped 5% all at once, but that's when the value updated.
The most effective way to reduce decline of battery health is to not accumulate charge-discharge cycles. So if you can keep it charged up all the time by keeping it connected to a power source (power adapter or USB power bank) then theoretically you barely cycle the battery. Even then, simple aging tends to reduce battery capacity regardless of what you do.
Lynn ~ Follow these tips to maximize battery performance and help extend battery lifespan.
...Found by searching Apple's Knowledge Base.
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Prolong Battery health at 100%
