Question about Panasonic EY6409NQKW 12 - Volt Drill/ Driver Kit

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Panasonic EY0110 Charger

Is there a way to test my panasonic EY0110 Charger to see if it is charging properly?

I know my batteries are bad; however I suspect my charger is faulty which caused the problem

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Use a volt meter attatch to the contacts and see if you are getting 12 volts .If so then your charger should be okay

Posted on Dec 05, 2008

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2 Answers

. My 18v batteries won't charge . How can I tell if it's the charger at fault or the batteries . When I plug a battery into the charger it lights up red for 2 seconds and then goes off .


Without brand, it's hard for us to tell, but I suspect that the battery has gone bad. They do that. .. \

Leaving the battery in the charger for months can kill the battery.

Aug 19, 2016 | Drills & Drill/Drivers

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Ryobi charger bcl1418


Usually this is indicative of a bad battery. First try a good battery in the tool to make sure it is OK. If the tool is OK, you need to try charging the good battery in the charger to see if the charger is working properly. If the charger is OK, replace the bad battery. Some batteries will show fully charged on the charger but will not supply the power to the tool.

Oct 08, 2012 | Ryobi Drills & Drill/Drivers

1 Answer

Took the battery off of the charger and it was dead, will not charge, only charged a few times


Mike, Would need a bit more detail to give the best answer, but here are some general tips to point you in the right direction. Need to know if you get any LEDs on the charger or batteries, do you have other batteries you can use to test the charger/tool to isolate the problem (even the old NiCads)? Does this problem occur with one or both new batteries? Anyway, read below for some suggestions:

Lithium Ion batteries do not like to be fully discharged even if they are new. If you ran a tool until the battery fails, two problems can occur. 1. The circuitry in the charger and the battery itself senses a fault due to "too low" voltage in the cells, and prevents charging as a protection measure (prevents overheating a shorted cell). 2. You damaged the cell(s) inside the battery either due to sulfate build up or heat. If your Ryobi charger is flashing a red LED (no green) indicating battery fault,

I have found that removing the battery and reinserting it multiple times can help as the charger does a diagnostic when you first insert the battery. This test likely applies a small charge to the cells and analyzes the response, if you do the test enough, it can bring the cells back up to a sufficient level to allow the charger to accept it.

If the battery charger cycles normally but displays a full charge very quickly, the battery may be defective and not pulling any current from the charger, so the charger thinks it's fully charged.

If the battery charger does not sense the battery at all (no LED display) then the problem could be a defective charger, defective (open) battery or corroded/dirty connections (make sure no paint or dirt got into the charger port and no rust on the contacts).

Aug 29, 2012 | Ryobi Two 18V Lithium-Ion Batteries +...

1 Answer

Flashing red and green how to fix it


If you have both red and green lights flashing, the charger is reading the battery as defective and will not charge it. It's very rare to be able to fix either a battery or charger, you just have to find out which is bad and replace that one. It's almost always the battery but sometimes chargers do go bad. The only way to test them is to try charging the battery on another charger or try charging different batteries on your charger.

Mar 10, 2012 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

1 Answer

There is a yellow light flashing and battery not charging. I bought a second hand battery charger and it doesn't seem to be working either as there are no lights lighting up. Is there any way of testing...


the charger has three out points the one on the left at the side combined with the point at the back should be putting out 14 volts if not the charger is dead as for the battery the pack needs to be pulled apart and a test done on them that needs a tech with the proper equipment


hope this helps please remember to rate me

Nov 28, 2010 | Panasonic EY6409NQKW 12 - Volt Drill/...

2 Answers

Bosch cordless drill PSR 120 12V will not charge up.


About the only indication if the charger is not working is when you put the batteries into the charger and no lights come on. This indicated that the charger is faulty. If the lights come on it is most likely the batteries. The best thing to do is take the batteries and charger to a Bosch service center and they will test them for you. Most will do this for free.

Nov 10, 2009 | Bosch Drills & Drill/Drivers

1 Answer

Test charger ey 0110


TAKE TEST METER ON DC VOLTAGE AND PLACE ON THE TERMINAL IN CHARGER SHOULD READ 12 VOLTS ON 2 OF THE TERMINALS IF YOU DON'T HAVE A METER YOU CAN USE A TAIL LAMP SOCKET AND BULB OR ANY DC LAMP OF A 12 VOLT RATING

Nov 26, 2008 | Panasonic EY6409NQKW 12 - Volt Drill/...

1 Answer

Charger not charging


Does this happen to both batteries or just one if it is both then i would suspect the charger is bad and not the battery

Nov 14, 2008 | Drills & Drill/Drivers

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