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Right AC Adapter?

Discussion in 'General Electronics Discussion' started by Codyf1113, Jul 8, 2013.

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  1. Codyf1113

    Codyf1113

    28
    0
    Jun 18, 2013
    Could someone please help me find right charger?
    I lost my charger for my small 12volt mobile power jumper/air compressor. I have few adapters I could use but I'm not sure what one would be right charging It with. I don't know any thing about adapters. So here all the info I can get from the battery/case of it.
    The case says.

    Use a 110volt AC Charger for 8 hours or a 12Volt DC car charger for 8 hours.

    I took it apart and the battery says, Shengwei valve regulated battery 6fm10 12V/10AH/20HR
    Constant voltage charge
    Cycle use:14-15v
    Standby Use:13.5-13.8v
    Initial Current less than 3.0A

    Here some of the adapters I've found laying around my home.

    (1) Class 2 transformer
    Input: 120v 60Hz 15w
    Output: 12vac 500mA


    (2) Plug in class 2 transformer
    Input:120v 60Hz 18W
    Output:12Vac 1000mA


    (3)
    Input:120vac 60Hz 0.16A
    Output:12 Vac 1100mA 13.2w


    This thing dose have a small solar panel on it for a charge but would that really get it fully charged again?
     
  2. Codyf1113

    Codyf1113

    28
    0
    Jun 18, 2013
    Just notice the led/charging indicator has small text that says Input 12v=300mA. So that makes me think the first one I listed would be close but need one more in the output 300mA area?
     
    Last edited: Jul 8, 2013
  3. davenn

    davenn Moderator

    13,647
    1,884
    Sep 5, 2009
    is it a sealed lead-acid type battery ?
    sounds like one

    none of your plugpacks have got enough grunt to charge the battery
    and they are no good any way as they are all AC instead of DC out

    you need something ~ 14VDC and prob ~ 3 or 4 Amp minimum


    no, thats most likely just what the charging indicator circuit requires to operate correctly

    Dave
     
    Last edited: Jul 8, 2013
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