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    richv77's Avatar

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    Default Quick AC Charger from T-Mobile

    My friend just purchased an AC charger for his T-Mobile Galaxy S2 and the sale person said it would charge quicker than a normal charger.
    I tried it yesterday and it was very quick. When I plugged in my S3 it was at 35% and I can swear in was up to 45% in about 10 minutes.

    Are these high speed chargers good for your battery?

    Thanks for your comments.

  2. #2  

    Default Re: Quick AC Charger from T-Mobile

    Well, there's one member here who claims to have tested the S3 and found it won't charge at a rate of greater than 800mA no matter what charger you plug it in to.
    Let's do some calculations: The stock battery in an s3 is 2100 mA. So 35% would leave you at about 735 mA. 45% gives you about 945. That's a gain of 210 mA in 10 minutes, which implies a charge rate of about 1260 mA. So you might want to double check your measurements more carefully.

    But assuming your measurement is correct, I think that as long as the battery doesn't really heat up while charging, you're probably OK.

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