Can you use any micro USB charger?

Discussion in 'Android General Discussions' started by wallstreet123456, Nov 9, 2009.

  1. wallstreet123456
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    wallstreet123456 New Member

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    for the droid. I have other phones that have this charger and rather than buy one for work wanted to know if I could use one of those in the office to charge the phone.
  2. ZeRo_C0oL
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    ZeRo_C0oL New Member

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    Should be able to.
  3. bamfsig45
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    bamfsig45 New Member

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    Im using one for my sons LG phone.
  4. zeeboid
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    zeeboid New Member

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    here's a question:

    I have one of these hardwired into my truck and when I just plug in the micro-USB cable that came with the droid, it will not charge.

    All of my previous pocket pc phones, amazon kindle, everything else that plugs into USB will charge, but the droid for some reason will not.

    This is true also with a single port charger I have in my other cars.

    Anything odd about the droid in this reguard?
  5. New2u
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    New2u DF Super Moderator

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    I'm using one i got with my Moto Headset, but when i left it charging for long, it wigged out and went crazy, so i'm not sure if that was just because the charger, which i'm sure it was, or if it was just my phone, which i doubt.
  6. Zennmaster
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    Zennmaster New Member

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    Short version, from my experience, Not Necessarily.

    There are a number of chargers on the market that provide less than 850MA current. The Droid seems to need at least this much to charge properly. My wife has an LG ENV3, and it seems I can use this charger on my Droid just fine. I bought one off of Ebay (Yeah, I know), that provides 500MA, and it makes my Droid go wiggy, to the point where I am not comfortable using it. I would suspect that any Blackberry charger should work fine.

    YMMV, but I would advise caution.
  7. naman919
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    naman919 New Member

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    Just looked at my BB charger and it's 700MA so it should be fine. I've used it once before, with caution, and it seemed ok. YMMV.
  8. butch350
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    butch350 New Member

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    Do you think the your head phones have the same size and type
    of battery that the droid does? I DON'T THINK SO. :icon_ devil:
  9. jimnutt
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    jimnutt New Member

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    You need not only sufficient current (>500ma), it also needs to be regulated at 5V +/- 0.25V. A lot of the cheap aftermarket adapters are not regulated and they can cause the Droid to go crazy, particularly toward the end of a charge cycle when the phone isn't drawing as much current and the voltage rises about 5.25V.
  10. New2u
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    New2u DF Super Moderator

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    Actually it doesn't matter about battery size, it does have the same port, and that's all that matters, i found out the reason it went crazy was because of an app that i installed that didn't agree with it, so when i removed it, it worked fine. The charger works just as it's supposed to. It was a bluetooth moto headset, not headphones, big difference.

    Plus i posted that in late november, so since then it's been working great.
  11. soloking
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    soloking New Member

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    I bought a charger for walmart and it was a micro usb damage my charging portand the phone was very unresponsive acting weird. I think motorola chargers are specially made each phone
  12. New2u
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    New2u DF Super Moderator

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    I have used about 5 different micro usb cables, and none of them have damaged my phone. Micro USB is the standard in the cell phone industry now.

    There are different rated cables though.
  13. mikes
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    mikes New Member

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    The Droid follows the USB charging spec. In simple form:
    IDCHG is 500 - 1500 mA.
    VCHG is 4.75 - 5.25 V.

    Some USB "chargers" don't short the D+ and D- lines, so the Droid won't draw power from them. Many el-cheapo ones don't meet the voltage/current specs in all conditions.

    The Droid should work fine with a port which only puts out 500 mA, but I believe it will take advantage of more to charge faster, if available.
  14. mec6250
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    mec6250 Premium Member Premium Member

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    I use the micro usb charger I got with my Verizon Mifi interchangably with the charger I received with the Droid. The phone charges nicely on either.
  15. zakany
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    zakany New Member

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    I know from experience that 435 mA will work.
  16. TheOldFart
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    TheOldFart New Member

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    I have used the 850 ma Droid charger, the 800 ma Verizon brand charger that is recommended for the Droid, the Motorola 550 ma charger for the Motorola BT headsets, the Zagg Sparq and my Dell laptop USB port. All work fine and all are 5 V chargers. The Motorola Droid says that any Motorola micro USB charger is fine.
  17. ZBoater
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    ZBoater New Member

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    I've used my iPhone 1A charger, a Moto Razr 950mA charger, and my 500mA USB port. All feed my Droid just fine.
  18. tommyz
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    tommyz Member

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    I have a Cig Lighter bracket with a built-in mini USB adapter. I tried to use a mini to micro adapter and it wouldn't charge. This bracket was originally for my Garmin Nuvi which works fine. I have also tried my Garmin mini usb chargers (car and A/C) neither would work with the Droid and the mini to micro adapter.

    So I think I'm haveing the D+ and D- issue.

    The answer is no all usb adapter will not work with the Droid.
  19. grimace
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    grimace New Member

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    i bought one off of ebay, & while it does charge, it just takes a LONG time for me, plus i cannot type when plugged in....rather i can type but it will take each key as being hit twice (hhii hhooww aarree yyoouu??), but hey for $8 shipped or whatever it was, it was good enough to have a spare when necessary, not my main charger.
  20. jimnutt
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    jimnutt New Member

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    Adapters without the D+/- lines shorted will charge the phone... but very, very slowly and probably only with the phone off (or at least sleeping) as the phone won't try to pull more than 500ma max from the adapter. The shorted D+/- lines tell the phone it's connected to a charger and not a USB port so it can try to pull more current to charge faster.
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