Question about Drills
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Posted on Jan 02, 2017
Hi again, Because of the age of these batteries, this may or may not work but you have nothing to lose. The theory here is that over time, oxides built little bridges in a ni cad battery between the anode and cathode thus shorting the battery, shocking the battery burns those bridges and if the cells are still intact it will work again. So take your stronger battery or cables and being sure to observe the correct polarity touch or brush the positive to positive and negative to negative several times. The first times will spark and then as the bridges burn the spark will decrease. Put the battery in the charger and the charge light should come on. Leave the battery in the charger until it reaches a full charge. If after this procedure you still have the defective indication, then the cells were bad and you will still have to replace the battery. Good luck, please let me know how this works for you!
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Posted on Mar 29, 2009
I don't know if I would try this or not. there could be a difference in the amps and usually a charger is designed to shut off or go to trickle when the battery is fully charged.
Posted on May 25, 2009
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