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Battery Charging Question

Discussion in 'Electronic Design' started by Country Loon, Oct 19, 2004.

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  1. Country Loon

    Country Loon Guest

    I have inherited a Childs electric car and it has two sealed lead-calcium
    6v/10AH batteries.Unfortunately I did not get the charger! What is the best
    way to charge these?

    Thanks

    Tom
     
  2. The original charger was probably very simple and not very good.
    Probably a non regulated wall wart with something like 7.5 or 15 volts
    (depending on whether the batteries were charged singly or in series)
    unloaded and rated for less than .5 ampere full load. This would need
    about 24 hours to fully recharge a dead battery.

    Good chargers tend to have regulated maximum voltage to prevent
    gassing after full charge and regulated current for lower voltages to
    limit heating during charge.

    Here is a course that has more than you ever wanted ot know about
    rechargeable batteries.
    http://www.fsec.ucf.edu/pvt/Resources/publications/pdf/PVBatteryFundamentals.PDF
     
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