Kindle Fire battery charger to charge phone?Support


  1. sickbacchus

    sickbacchus New Member

    I noticed that the amperage output on the Kindle Fire charger is pretty high (1.8 or 1.6 A if I remember correctly). That's quite a bit higher than standard cell phone chargers at 850 mA or my Galaxy Nexus charger at 1.0 A.

    Could I use the Fire charger on my Nexus, and if I do, will it charge faster?

    This may be a dumb question, I'm just curious. Thanks!

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  2. dautley

    dautley VIP Member VIP Member

    If it did work it would probably shorten the Nexus battery life being charged at a higher rate than the battery is designed to be.
  3. Airmaxx23

    Airmaxx23 Well-Known Member

    It would not be good for the lithium battery to be charged at such a high rate.
  4. glennj

    glennj Well-Known Member

    Any 5 volt charger with enough amperage capacity for your phone will charge your phone at the exact same rate. It will not harm your phone battery, nor your Kindle charger, but your phone will neither charge more nor faster. The extra amp capacity of the Kindle charger will not be used, as the phone's charging circuitry controls that. What would damage your phone would be charging it via a higher voltage charger, higher than 5 volts. Don't do that to the Kindle either, of course...

    I do this all the time with my Droid 3. No problems. Charging with a too small amperage capacity takes longer, but that's all. Any 5 volt charger capable of enough amperage is identical in effect.

    Glenn
  5. nstg8r

    nstg8r Well-Known Member

    Exactly. Amperage rating isn't a rating of output, it's a limit of how much juice can be "sucked out" by the device it's plugged into.
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