Real Gold HTC One For Sale htc one gold platinum up for sale You might be wondering how long to charge your HTC One for the first time? There is no straight answer. Some people say charging it to full and then letting it die out completely, will harm your HTC One. Others say that you should only completely deplete your battery once every 45 days, as manufacturers have suggested. HTC One battery first charge If you are serious about getting better battery life, I suggest you consider rooting and flashing a custom rom. Read my article on the best HTC One custom roms. Also consider using QuadCore Manager to shut off some of your HTC One cores when you don’t need them, such as when you are not playing games or doing CPU intensive tasks.