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Recharging Batteries

Discussion in 'Electronic Basics' started by Jim, Nov 18, 2004.

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  1. Jim

    Jim Guest


    I have a battery charger which has the following info on it:

    Quick Charger for NICAD Packs
    7.2V - 1.2Ah / 1.8Ah
    Output: 9V -- (solid line with a dashed line underneath it) 2A / 30 min

    Would it be suitable for charging batteries with this spec:

    NiCd Cells
    Charge Current (mA): 160 (14-16 hrs) 53 (Trickle > 48 hrs)
    Capacity: 1.6Ah
    Voltage: 1.2

    I would connect 6 of them in series to get 7.2V.

  2. Tom Biasi

    Tom Biasi Guest

    The charger you describe is for quick charging. It is not the best way to
    get the most from your batteries.
    A 7.2 Volt battery is common in tools and RC cars both of which usually lend
    themselves to desiring a quick charge.
    The specs on the battery you describe are for typical NiCad charging. Your
    plan to put them in series could give you problems if the cells do not have
    close characteristics or are not at the same discharge level. I would not
    charge a series of NiCads on a quick 2A charge.
    The 7.2 V. packs also have a temperature monitoring provision, how would you
    do this in a series setup?

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