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NiCad Battery Packs?

Discussion in 'Electronic Repair' started by Dave, May 28, 2006.

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  1. Dave

    Dave Guest

    Is there a source for NiCad batteries with solder tabs that would be
    suitable for rebuilding tool battery packs? The cells are about 1 5/8"
    x 7/8" and probably 2100mAHr.

    I don't want to overheat the cells with direct soldering. Don't own a
    spotwelder. I want solder tabs.

  2. Normally the size is 'Sub C'
    Most electronic suppliers sell them. Look for tagged cells. Trouble is
    they often cost more than a new battery pack from the maker. However, if
    it is a 'budget' power drill, etc, decent quality cells can often make it
    work better than new. But with a budget drill make sure the charger isn't
    going to damage your nice new expensive cells...
  3. Dave D

    Dave D Guest

    Yes, but as we don't know where in the world you are it's impossible to be
    specific. If you are UK based try They sell tagged
    cells which can be soldered.
    Normal NiCads or NiMH can be soldered without significantly affecting their
    performance or longevity. Score or sand the ends to be soldered and use a
    very hot iron, preferably a temperature controlled one, and solder as
    quickly as possible. I routinely use standard cells to repack my comms
    equipment battery packs (they're very cheap on eBay!) and have yet to damage
    a cell. I use normal stranded wire to join the cells together when space
    allows, which is about 95% of the time.

  4. RichK

    RichK Guest


    Depends on the tool. I was able to get replacement batteries for a
    Black&Decker cordless, right from a B&D store and at a very reasonable

    Hard to believe, in these days of either ripoff or throwaway designs.

  5. g. beat

    g. beat Guest

    If you desire to rebuild your own packs - or have them rebuilt, E. H. Yost
    Battery (d/b/a Batteries America) -
    has the professional equipment to spot weld tabs to the "button top" battery
    you desire (AA, AAA, N, 1/2 N, Coin cell, C, Sub-C, D, etc.)

    They are also a reseller of Sanyo, Panasonic and Yuasa.

    g. beat
  6. jakdedert

    jakdedert Guest

    Here in the U.S., I went to my local Batteries Plus store and got a pair
    of sub-C's for my little B&D cordless screwdriver. I should have taken
    the originals with me, as the standard sub-C's were a bit longer.
    However I was able to shoehorn them in and was rewarded with increased
    torque and longer time between charges.

    (BTW, this unit was marked 'No user replaceable parts inside'.)

    They came 'bare'; but the counter guy took them in back and welded on 2"
    tabs for me. I snipped off the excess after test-fitting into the body
    of the driver. He would have welded them together had I wished. The
    tabs were easy to solder.

    It would have been cheaper to get them on the web, but it was more
    convenient to snag them locally. Cost? About $3.

  7. Guest

    Try a hobby shop involved in electric model airplane or car.

  8. Guest

    I was aware of this company but didn't realize their prices were fairly
    good... but they don't offer the tabbed batteries.
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