Black/Decker 12 v drill charger will not charge battery. help

try this parts supplier
Black and Decker Cordless Drill Parts

see if your model has a parts list for battery and charger

if discontinued
look for tha same used drill in better condition
or toss in the bin

Did you check if the battery holds the charge? Also, you should verify the charger's output with a voltimeter.

it is probably the brushes on the motors are wore out or stuck and not making contact. pretty much junk unless you feel confident enough to attempt repair.

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Normally when it will no longer hold a charge, that is, no matter how long you charge it, the battery goes flat very quickly. This happens sooner with Ni-Cad batteries than with Li-Ion.

Hello Howard, There are two different kind of cordless drill chargers. One is a smart charger that will not overcharge your battery. It usually has a stand alone base that the battery plugs into and sometimes may have a red and/or a green light to let you know it is charged. This charger will stop charging when the battery is fully charged after an hour or less. The other one is a dumb charger that can overcharge your battery if left on the charger too long. This charger usually has a square or rectangular transformer that plugs directly into your wall receptacle. This charger may take up to eight hours to fully charge your battery and will continue to charge until you unplug it.

It sounds like your charger is not charging your batteries. Since it is brand new, you might want to return it to the store where you bought it.

Batteries are only good for about a year, if they are older than that, take them back to the store and see if they are guaranteed at all, (all Ryobi tools and batteries have a date code on them, and they are all guaranteed for 2 years, a little plug for Ryobi,) that is all I buy now days, they work great. So, to check your charger, you will need a volt meter set on 12 or 20 v dc, and see if the charger is putting out, if not, then, the cost of a new ryobi might be the same as the fix for the black and decker. That is if you use the thing, we use our cordless tools every day and charge them every night, hope this helps.

With a multimeter set it to 12 volt dc and place the leads on the two parts that would be touching the battery. If you see voltage then it is a bad battery.

-David

I would guess 12 volts

this one dosn't charge. It takes batterys. how do i change them