As long as those unused batteries you can find are fresh a 15 year old unused battery would be doa
There's an aftermarket for phone batteries. They're new batteries produced by what I imagine are unaffiliated manufacturers. As long as the phone is popular enough, there should be enough market for manufacturers to make new batteries.
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There's an aftermarket for phone batteries. They're new batteries produced by what I imagine are unaffiliated manufacturers. As long as the phone is popular enough, there should be enough market for manufacturers to make new batteries.