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Thread: 2.1 amp car charger

  1. Senior Droid
    Human_Droid's Avatar
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    223923
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    Sep 2011
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    Droid Bionic, Droid X
    #1

    2.1 amp car charger

    Hello. I just picked up a dual USB car charger for 7.99$ USD. It says it's a 2.1 amp fast charge. Is that out of spec, or will it ruin my phone or battery?

    Thanks
  2. Master Droid
    wcjeep's Avatar
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    VZW Samsung S3
    #2
    Measuring DC amperage I've found 1 amp and 2.1 amp ports to charge about the same with Android devices I had available. No devices or chargers went above .94amp. Most combos maxed out at .89 amp.

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