Dewalt DW056 18 Volt Cordless Impact Driver - 1/4" Drive Hex Shank (Battery Charger and Case Not Included) - Tool Only Logo
Posted on Oct 07, 2009

Dewalt battery charger won't charge

DW9107 unit has a blinking red light when you try to insert the battery for charging. Yesterday, it was solid red for several hours when this is a one hour charger. Any advice?

I see on the internet that the unit was recalled in 2000 with certain date stamps. Where would I find that? is it actually stamped into the bottom of the plastic followed by the initials DB?

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Tyler Craig

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  • Posted on Dec 12, 2009
Tyler Craig
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As you know, solid red on your charger means that the battery is fully charged and the BLINKING red light means the battery is charging. Unless the light is blinking irradically everything is working the way it is supposed to. If the light is blinking irradically, the battery may just be too hot or too cold to charge ( like when you are driving many lags and your battery dies) and in this case simply wait 15 minutes to charge. If you get a fast blinking light still, the problem probably is with the battery.

  • Anonymous Jul 04, 2012

    the to hot or cold coment is wrong , its just bad

  • Anonymous Sep 01, 2012

    Add a CommentBad? So you are saying that a hot/cold delay indication and a replace battery indication are both bad batteries? If that is the case then why have the hot/cold indication at all?

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  • Posted on Mar 13, 2016
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My Battery charger DW 9107 has 50 VDC output is correct this voltage?? thanks in advance my friends.

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perry tradesman

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  • Posted on Oct 21, 2014
 perry tradesman
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You must have put in a battery pack that was already charged, the second time you went to use your charger, I'm guessing that you are not real familiar De Walt power tools and when you saw the solid red light maybe you thought it was broken?
On the front of your charger right above "De Walt" there a "scale" that tells you the 5 different red light indicators.
If you took that Batt pack out of charger and put it back in your cordless and used it for 2 minutes and put it back in charger the"red indicator light" would start to blink.... PLEASE READ. You can really damage or shorten the life of any battery pack by charging it when there is ANY charge even a small charge left in the pack- so you want to only charge battery pack when the drill wil not move inside the battery pack are like 18 0r 20 rechargeable batteries if any cell inside the battery has a charge it you will damage it and it wont hold a full charge every again...

Perry Tradesman-..

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