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Question About Ryobi Drill HP412
batteries...

do not hold charge. Am i charging them too long?

Asked by Joe on 10/20/2008 2  Answers

ManualsOnline posted an answer 16 years, 1 month ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

deloye posted an answer 15 years, 8 months ago

1 While the instruction manual doesn't specifically say you can over-charge the battery, it does recommend that you remove the battery from the charger after if is fully charged and that can take as long as 6 hours. Looks like the same type of battery I had in my old Black & Decker and I did kill two batteries by overcharging.
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