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23-09-2016 #1
Last Activity: 28-05-2023
There are tricks for getting dead rechargeables back to life. I don't think they always work, but maybe.........
Have a google - I found this https://www.youtube.com/watch?v=A5k0ljHLF58.
Old NiCd batteries grow cadmium whiskers inside them that short out the cell and need to be got rid of, before the chargers will recognise there is a chargeable battery present.
Turning the charger on and off repeatedly is one trick and flashing the battery with a charged capacitor is another. Somebody mentions using a welder to do the same, but I certainly wouldn't try it, it sounds too dangerous.
I don't endorse any of it though.
Cheers,
Rob
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