Lithium ION battery problem - Router Forums
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post #1 of 20 (permalink) Old 10-02-2019, 08:21 AM Thread Starter
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Default Lithium ION battery problem

Hello,

Sorry for posting something not relevant to routing, but I feel somehow a little desperate. I have this power drill 12V with ION batteries. The problem is it just wont fully charge - charger stops charging when batteries reaches 11,6V and not as expected 12,5V. This means it operating time is rather short max 4 minutes while running the drill on idle. (battery size 1,5 Ah).
This appears to both batteries included in its package. For info; This drill is used very little since purchase.

I been trying to find any clue on internet but have failed so far.
I would be delighful if anyone reading this thread has an answer or a solution how to fix its problem.
Thanks in advance.

Last edited by BjGuillot; 10-02-2019 at 08:24 AM.
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post #2 of 20 (permalink) Old 10-02-2019, 08:59 AM
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Most Lithium battery packs have built in limiter circuits. For discharge and charging. It keeps them from over heating. That's why lithium tools just stop when the battery voltage gets too low. Not like nicads that just get slower and slower. You did not mention the brand of drill but you may want to check with the manufacturer. Maybe the internal limiter circuit is set to low on that batch of batteries. I don't think that is a user serviceable item.
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post #3 of 20 (permalink) Old 10-02-2019, 09:19 AM
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M. Guillot, I agree with Roxanne.
The better batteries have a microchip in them, to monitor the status of individual cells in the pack. Definitely not user-serviceable. Return to the supplier for testing and replacement.
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post #4 of 20 (permalink) Old 10-02-2019, 09:26 AM
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what brand of drill and how long have you had it??...
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post #5 of 20 (permalink) Old 10-02-2019, 11:15 PM
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Unfortunately it sounds like your batteries are dying. Even Lithium ION Batteries go bad. The sad part is the batteries will likely cost more than buying a new drill with new batteries. If you decide to buy new batteries I suggest you get the original equipment. Amazon sells a lot of generic batteries that will not last any time at all. The reason they are cheap is they are cheap batteries. If you decide to replace your rig I suggest Dewalt. The tool industry has consolidated and competing brands are not under just a few banners. The Dewalts have given me good service over the years and if you go on a job site you see a lot of Dewalt yellow. Pro buy what works and do not care about gimmicks or "Features" that you will never use.
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post #6 of 20 (permalink) Old 10-03-2019, 12:58 AM
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Originally Posted by gdonham1 View Post
Unfortunately it sounds like your batteries are dying. Even Lithium ION Batteries go bad. The sad part is the batteries will likely cost more than buying a new drill with new batteries.
Yeah, batteries dying is one of the reasons I do not use battery powered tools. Except flashlights, and it's bad enough buying batteries for them. Battery powered tools have their place in the world, no doubt about it. But me, I work in, or close to, my shop. As long as a plug in is handy, no battery tools for me. I can't see any sensible reason why it would cost less to buy a new tool, with battery, then it would cost to buy just the battery. So for me it is either corded tools, or cordless that are hand operated. I'm happy with that.
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post #7 of 20 (permalink) Old 10-03-2019, 09:11 AM
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Quote:
Originally Posted by gdonham1 View Post
Unfortunately it sounds like your batteries are dying. Even Lithium ION Batteries go bad. The sad part is the batteries will likely cost more than buying a new drill with new batteries. If you decide to buy new batteries I suggest you get the original equipment. Amazon sells a lot of generic batteries that will not last any time at all. The reason they are cheap is they are cheap batteries. If you decide to replace your rig I suggest Dewalt. The tool industry has consolidated and competing brands are not under just a few banners. The Dewalts have given me good service over the years and if you go on a job site you see a lot of Dewalt yellow. Pro buy what works and do not care about gimmicks or "Features" that you will never use.
Agree as well. My 1st cordless drill was a Panasonic which I loved. It had plenty of power and saved me many an arm/hand cramp. I was working in HVAC and the number of screws manufacturers used to hold the access doors on was ridiculous. Biggest complaint I ever had with these was the lack of understanding people had of using the dang clutch so they didn't ream out the screw holes and the proper charging method. The early ones were ni-cad and they needed full discharge/recharge. When mine was getting low I would place it somewhere so the trigger would be held shut to run the battery completely down then recharge it fully. The old batteries would develop a memory and was a real pia to recover near full charge when improperly charged. And even now the battery cost is often near the total tool cost in some cases.

By the brand name batteries when ever possible and get the full warranty with them. It's cheaper in the long run. Also when looking to buy consider the cost of the replacement batteries/chargers. When my Panasonic charger died, long story, it was almost the cost of a new and better drill kit.
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post #8 of 20 (permalink) Old 10-03-2019, 09:49 PM
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I had a Makita drill and the batteries lasted very briefly . Found out it was actually the motor , not the bats at all .
The drill had been dropped ,and this had realigned the particles in the motors magnets

I donít always insulate , but when I do .
Ok ,I never insulate

Last edited by RainMan 2.0; 10-03-2019 at 10:58 PM.
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post #9 of 20 (permalink) Old 10-03-2019, 10:13 PM
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I had a marital drill and the batteries lasted very briefly . Found out it was actually the motor , not the bats at all .
The drill had been dropped ,and this had realigned the particles in the motors magnets


When I first read this I thought you meant your wife was drilling you. They tend to do that. They are always trying to screw you to the wall.
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post #10 of 20 (permalink) Old 10-03-2019, 10:57 PM
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When I first read this I thought you meant your wife was drilling you. They tend to do that. They are always trying to screw you to the wall.
lol ,I should proof read . Stupid auto correct . Was supposed to say Makita

I donít always insulate , but when I do .
Ok ,I never insulate
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