Do Drill Batteries Go Bad. Well one of the batteries went bad. I run 3 of them.
Cordless drill lithium-ion batteries show bad or ruined on the charger. One on the impact one on the hammer drill and one spare. It must have a charger with it too.
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Li-Ion batteries do not suffer from a memory effect and they are not affected by poor charging habits. Shop Online and Save. Ive got a bunch of lightly used 18V XRP batteries that have gone bad I left them in the charger and well I guess that particular charger wasnt really well designed and it ended up killing my batteries. Then take the black lead and place it on the negative terminal of the battery.
