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Battery health

My battery health reduced in only 24 days using 100% to 99%

Posted on Apr 19, 2023 8:35 AM

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Question marked as Top-ranking reply

Posted on Apr 19, 2023 8:37 AM

Click on this link about Phone battery and performance to read about the battery health feature and what is considered normal performance --> iPhone Battery and Performance - Apple Support


"A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions. The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers battery service for a charge." A degraded battery may display the notice: "Your battery’s health is significantly degraded. An Apple Authorized Service Provider can replace the battery to restore full performance and capacity." If it is not at or above 80% "normal", consider contacting Apple about a battery replacement. --> iPhone Battery Repair & Replacement - Apple Support



What you are seeing is nothing unusual.

5 replies
Question marked as Top-ranking reply

Apr 19, 2023 8:37 AM in response to Kvn24

Click on this link about Phone battery and performance to read about the battery health feature and what is considered normal performance --> iPhone Battery and Performance - Apple Support


"A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions. The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers battery service for a charge." A degraded battery may display the notice: "Your battery’s health is significantly degraded. An Apple Authorized Service Provider can replace the battery to restore full performance and capacity." If it is not at or above 80% "normal", consider contacting Apple about a battery replacement. --> iPhone Battery Repair & Replacement - Apple Support



What you are seeing is nothing unusual.

Apr 19, 2023 8:48 AM in response to Kvn24

My battery health reduced in only 24 days using 100% to 99%


Normal. Battery Heath will decline an average of about .8% to 1% a month. That's an average. Some months it might not decline at all, then decline 2% the next month.


After 12 months, your Battery Health will be about 88-90%


After 24 months, your Battery Health will be about 80-82%.


Stop worrying about the battery and plan to replace the battery when the Health is at 80%



Battery health

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