Charging with non-Coby Charger

Discussion in 'Coby Generation 2 Technical' started by eruby, Oct 17, 2011.

  1. eruby

    eruby Junior Member

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    I just picked up 2 wall chargers on the cheap from a yard sale. They were used for a Samsung cell phone. My Coby charger says it's 2amps. The Samsung is 5amps. Will I do any damage to the battery using these chargers?
     
  2. Pickupman66

    Pickupman66 Junior Member

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    better check the voltage. that is also very critical.
     
  3. lfom

    lfom Member Developer

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    You need same voltage (V - Volts), and at least same current (A - Amperes). So if your charger says 9V, you need a power supply with also 9V. If the original power supply says 2A, you need one with 2A or more. Also make sure the polarity is the same (positive and negative) or it won´t work.
     
  4. nba1341

    nba1341 Junior Member

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    Don't want to fry the battery

    Sent from my HTC Glacier using Android Tablet Forum
     
  5. subtotal

    subtotal Junior Member

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    I'm using a 5V/3A charger on my 7022 (which comes with a 2A charger) no problems so far.

    Seriously though, if you're plugging in something which is not the proper charger for the first time check the following:

    Voltage
    Current (If it's switchmode more is fine, if it's transfomer based [read: heavy] try and match it as closely as possible)
    Pin size
    Polarity (there should be a symbol somewhere on the plugpack with a couple of lines and two circles (one inside the other) make sure this matches, although most devices have ground/negative on the outside)
     
  6. eruby

    eruby Junior Member

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    The samsung chargers are both 5v/5a. The Coby charger is 5v/2a. I already checked the polarity. I was just checking id a 5a charge might damage anything since the oem is 2a.
     
  7. wrxnfx

    wrxnfx Junior Member

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    The voltage and polarity are very important so you don't fry you tablet on the first plug-in. In your situation the amperage is important, too, but not as much. If the charger is showing 5A, then that means that it can run "up to" the 5A. The important point here is that the device you are charging doesn't exceed that 5A limit. So since the original charger only had 2A, then you're still under the 5A limit which means it won't harm your device as long as the voltage and polarity are correct as well.
     

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