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Have 24v sds drill older type the one with the charging lights on 2 of the batteries will no longer charge just go to red on charger unit can they fixed

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Not sure on the charge well have to check out but contact a interstate battery shop thy can rebuild most batteries

Posted on Oct 13, 2009

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If its a Li Ion then a solution from a camera which worked on my 18 v Hitachi Battery. Battery placed in charger just showed fully charged after 15 seconds

The camera answer said that not enough charge to tell smart chargers to charge with a camera they conected positive to positive and negative to negative of Li Ion battery and standard 9 v battery.

I had a spare 18 v Li Ion so conected them with copper wire and left for 2 mins. Placed back in charger and it started charging. battery now seems fine

Posted on Aug 05, 2012


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Have you tried charging and discharging the battery a few times, sometimes that helps build up the charge.

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Battery will not charge, charger flashes red and green

If both lights are blinking on the charger after putting the battery on to charge, the battery is no longer chargeable. Most likely it's bad cells inside the battery, the charger is reading the battery as bad and will not charge it. The only fix is to buy a new battery.

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I have a Black Max 24V, model JD610424 and when I put the battery in the charger, nothing happens. I just cannot charge the battery. ****

Black Max 24v power drill

Allied International sells them at 1-800-248-6657, drill part # JDB240R. Have the part number from your drill available (on the label on side or top of drill...a number like 33643)

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My new Black Max 24v drill charger will not charge the battery

You indicate that the drill is new. I'd suggest you return it for a replacement. Seems to be a defective or wrong charger. If you have problems and If you paid by credit card call the card company and have them stop payment on that charge.

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I have 2 rechargers fail with in 2 months. the green light is okay but red light fails to come on & battery charger puts out weak charge. I talk via phone to allied in calif. to parts department &...

Write a registered letter to the black Max official headquarter stating that you did make your charger replace cpl times and asking for full refund otherwise you'd get into court procedures... Easy and effective way to have result.

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The battery is not charging?

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1 Answer

24v lights on charger but making humming sound.all 3 batteries not charging.any ideas?

If it is out of warranty open it up and check the fuse inside. This has happened to me several times with several brands, and it has always been the fuse. They are usually replaceable at Radio Shack or the Auto Parts Store.

Hope this helps!


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The charging light flashes alternately in green and red color, charging is not possible.

You have defective batteries. Either they are old and used and can no longer take a charge and should be replaced, or they have a problem not allowing them to be charged.

If batteries are new, seek replacements. If old, time to buy new batteries.

If this happens with several batteries, and even new ones, your charger my be faulty.

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