![iPhone 6s Battery Test 100-0% in 2022🔥| iPhone 6s Battery in iOS 15 | 2Gud iPhone 6s Battery Test - YouTube iPhone 6s Battery Test 100-0% in 2022🔥| iPhone 6s Battery in iOS 15 | 2Gud iPhone 6s Battery Test - YouTube](https://i.ytimg.com/vi/fSRgUKajrSg/maxresdefault.jpg)
iPhone 6s Battery Test 100-0% in 2022🔥| iPhone 6s Battery in iOS 15 | 2Gud iPhone 6s Battery Test - YouTube
How long can I store an iPhone spare battery? I bought an iPhone 6 internal battery, but for some reason I have kept it in a drawer for more than a year.
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