I have 3 black n decker 12v drills (had one before I married, my husband had one already and we have a swivel head one too). I have a brand new battery (bought yesterday) as well as 3 older batteries. I have 3 chargers total and Not one of them will charge the batteries (new or old ones) adequately enough to drill even one hole in my cabinet. I have even tried charging them overnight. Two chargers are the type that plug into the drill itself when the battery is attached. The other charger is separate from the drill and holds a single battery pack. The separate charging pack has a red light on it but it does not light up. I have plugged them into multiple different a/c outlets.

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At work we have an old 9 volt dewalt drill and we sometimes use 12 or 14 volt batteries on it and it seems to work fine. I own a black and decker firestorm 12 volt drill.

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You are probably going to discover (as I did) that it is just about cheaper to buy a new outfit than buy replacement batteries. I had a Craftsman 12.4v with 2 batteries. I found out that the batteries were special order and they had a brand new 16v system on sale for about $10.00 more than the 2 batteries would have cost me.

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How do I tell if the battery is bad or the charger is bad? I plugged the charger in and used a dc volt meter to check the output of the charger and the reading was zero.

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If you bought it brand new it should have come with a charger – go back to the store with it.
Phone B&D’s toll free 1-800 number and order the part but you need to know the part number – consult paperwork that came with drill.

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