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Larger capacity cells for automower

Discussion in 'Electronic Repair' started by Leif Neland, May 13, 2013.

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  1. Leif Neland

    Leif Neland Guest

    My robotic automower have 3000mAh NiMh battery packs.
    If I replace the battery packs with larger capacity cells, shouldn't it
    work without changing the circuitry?

    I presume the batteries are charged with constant current until a upper
    voltage level is reached, and the mower starts heading for the charger
    when the low voltage level is reached.

    The mower will take longer to charge, and correspondingly will run
    longer, but as the "go out/find home" time should stay the same, the
    daily mowing time will be longer. And the wear on the grass in front of
    the charger will be less.

    I think I can fit C-cells with 10000 mAh capacity.

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