How can I increase my my Battery Health
How do I make my Battery Health Increase back to 100?
iPhone 7 Plus, iOS 14
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You cannot increase battery health, you can only slow its decline. Batteries are consumable items and begin to deteriorate the moment you start using them. Anecdotally iPhone batteries last about 3 years before needing replacement. That’s not a hard, fast rule but seems average. When battery health reaches 80% it’s time to consider a replacement. Click the link below for more information.
iPhone Battery and Performance