At what percentage of maximum capacity does an iPhone battery need replacing if my iPhone 7 Plus is showing 84% at the moment? - Quora
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Amazon.com: BOANV [3800mAh] Battery for iPhone 12 (New Version), Ultra High Capacity iPhone 12 Battery Replacement New 0 Cycle with Professional Replacement Tool Kits for Model A2172 A2402 A2403 A2404 : Cell
![My friend's sister has used her iPhone 7 for 8 years. She never replace her battery because the concept of replacing batteries is strange to her. Why is her battery health percentage My friend's sister has used her iPhone 7 for 8 years. She never replace her battery because the concept of replacing batteries is strange to her. Why is her battery health percentage](https://preview.redd.it/my-friends-sister-has-used-her-iphone-7-for-8-years-she-v0-3t4pbhqgpow91.jpg?width=640&crop=smart&auto=webp&s=a4b11f96657b2e30c53b860d3731c17baa428004)