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Had this battery on charger for months. removed it pluged it into drill and it started getting hot.removed from drill, heat reached 138 degrees before subsiding. this is the second time the same thing happend with the other battery from the same 14.4 ryobi set.

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The battery is supposed to be removed from the charger as soon as fully charged ,otherwise it will cause the battery to malfunction and eventually die

Posted on Nov 17, 2009

  • kerry littleton Nov 17, 2009

    the battery is supposed to be removed from the charger as soon as fully charged ,otherwise it will cause the battery to malfunction and eventually die

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My charger displayed cold/hot pack delay during charging


This is indicating the battery is too hot to charge, usually after coming off the tool right after some hard work. During the charging process the battey heats up so if you charge a hot battery, thereby making it hotter, you shorten the lifespan of the battery considerably. If you are getting a hot/cold pack delay indication on the charger, it should automatically start charging once the battery has cooled down sufficently.

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I think you've already come to this conclusion, so I'll affirm, you need a new battery.

Something that may be worth trying, if you haven't already, find something a little abrasive and try to really scrub the contacts on the drill, and in the charger, ( obviously you'll want to make sure the charger is unplugged.)

Good luck!

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Old batteries started not to hold a charge very long. I purchase 2 new batterys and still have the same problem. NOTE- i WAS USING MY TOOLS outside in 100 plus degree heat for weeks.


does the charger check out? use a volt ohm meter to check the chargers output. when you charge all four batteries us the meter to check the batteries charge. this should give you an idea where the problem is.

Aug 26, 2010 | Dewalt 7.2-18.0 Volt One Hour Charger

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It tells you to that you should charge the battery


The problem is your batteries are either over heating or worn out. You might also have a problem with the charger but you'll need Dewalt tech support to determine if it's good or bad.
The first thing to do is clean the contacts. Use a white plastic pencil eraser and clean all the contacts you can reach. If there are any contact you can reach with the eraser use a Q-tip that is just damp (not wet) with rubbing alcohol to clean them.
Discharge your batteries completely then put them in the freezer for 8-24 hours. Take the batteries out of the freezer and let the set 24-48 hours after that put them on the charger, they'll either charge or you need new batteries (more likely) or a charger.

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The drill has stopped charging up. No obvious


It may be the charger, but most likely the battery can no longer hold a charge. This may happen if the battery drops below its holding charge. Example, left discharge for a couple months. There is little that can go wrong with a charger unless you start smelling burnt plastic from it.

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My dewalt drill charger started smoking when i put the battery in although it wasn't even pluged in to the wall and now won't work


If this is for the 14 and 18 volt batteries, this is what I found had occured on one model I repaired (I've forgotten the charger model number):

It had a shorted diode (the bad one had obvious burn marks on the pc
board). I used an NTE 5809 diode to replace the original one. BTW you'll need
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Battery charger getting too hot. I have a skil 14.4 drill and flashlight set with two batteries. I noticed today the battery charger is getting very hot when I plug it in to recharge a battery for this...


Chargers get hot when charging. If you are concerned about yours ... I suggest you not leave them alone while charging.

Heat is the enemy of batteries, BTW.

14.4 drills are not as capable as higher voltages. It may be time for a new drill.

you could get new batteries ... but the batteries will probably be almost the price of a new higher volt drill.

If I wre in the marker, Id be looking at the Rigid line ... batteries interchangable and the entire thing is guaranteed for life period. Check em out at the manufacturers web site.

I hope you found this information valuable.

If you did, please leave positive comments. If you did not, my name is Joe Blow and I never said that at all!

thanks

a

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Batteries don't charge. I have a new battery, and neither of the old or new batteries work in the charger. I get flashing lights only, sometimes red, sometimes green, but in the end, the battery isn't...


Dust getting in the charger is a problem, Try blowing it out with a moisture-free dust remover, found at most any store. Green flashing means improper power, due to dust or power from the outlet, try a differant wall outlet. Red flashing means the charger or battery is to hot and must cool down before it will charge. The charger will not charge a battery if the lights are flashing. Solid Red light means it is charging and solid green light means it is charged. Plug the charger in first before putting the battery on the charger. If the charger has been droped or hit the floor the coil inside could have broke loose and dammaged the charger requiring it to be replaced.

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When batteries are pluged in lights do not light up to show charge


Then unfortunatly your battery charger is faulty and has to be replaced. If the unit is under warranty a Ryobi service center will be able to supply on free of charge.

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