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  1. 11th December 2021, 07:12 PM #1
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    Shedhand
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    Question Lithium v NMH batteries

    This is probably a REALLY stoopid question but does anyone know why I can't replace a dead NmH battery with a Lithium battery for my Festool C12 drill?
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  3. 11th December 2021, 08:25 PM #2
    Wimmera Jack
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    No reason at all. Just have to have the appropriate battery charger for the Lithium.
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  4. 11th December 2021, 09:12 PM #3
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    Interesting. I threw a perfectly good 18v DeWalt NmH drill in the bin because all the batteries were dead and they were too expensive to replace. Damn! Guess I'll rob a bank and buy some Lithiums and a charger then. Thanks for the info Jack.
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  5. 11th December 2021, 09:42 PM #4
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    Shedhand
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    Apparently, C12 drills manufactured prior to 2008 won't accept a lithium battery. Mine was manufactured in 2006. Seems I'm stuck with NiMH. At least 3rd party batteries of this type are relatively cheap. I paid $75 for one.
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  6. 14th December 2021, 11:25 PM #5
    Old Croc
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    You may want to do some searching on the interweb for 3D printed adaptors. I have seen a few advertised to use later model batteries on old drills.
    Rgds,
    Crocy.
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  7. 19th December 2021, 08:31 PM #6
    elanjacobs
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    If it's anything like the Festool T drills, the Li batteries have extra pins and the bodies have extra electronics to monitor everything, so adaptors aren't going to help.
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