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Md. Amit
Md. Amit asked in Cars & TransportationMaintenance & Repairs · 4 years ago

How can i make a battery charger?

5 Answers

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  • The Devil
    Lv 7
    4 years ago
    Favorite Answer

    Study electronics. It's simply a DC power supply outputting slightly more voltage than the battery. The amount of current it gives determines how long it will take to fill the weak battery.

  • thebax2006
    Lv 7
    4 years ago

    WTF are you on? Battery chargers are cheap to buy.

  • ?
    Lv 7
    4 years ago

    There are quite cheap, why make one that could fry your car's electronics?

  • Ron
    Lv 7
    4 years ago

    If you have to ask, you can't

  • Anonymous
    4 years ago

    go to www.youtube.com

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