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Makita 1822 battery not holding charge

I want to dissamble it so I can apply a long charge, but after getting the 4 screws out, I can't see how I can get the batteries out without damaging the case.

Posted by Harry Cowan on

  • Harry Cowan Jan 21, 2012

    Thanks Chris. I'm aware of that aspect of rechargeable batteries. However I'm just an occasional user of the drill and I haven't had the last battery I purchased for what I would consider to be long enough. I also read someone's blog (sadly I haven't been able to find it again) where he identified which of the C cells in his were in that condition and was able to cobble together one pack from several others. I have 3 packs which I'm happy to consolidate into one, if only I could get them out. He didn't explain that part. Hence my question.

  • Harry Cowan Jan 22, 2012

    Thanks Chris. Would like to try though. Have nothing to lose. They are useless anyway.

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James

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I think your battery is died. I suggest you can replace a new of this battery for your drill.

http://www.drillbattery.com.au/buybattery.php/makita_1822_power+tool+battery.html

Makita 1822 battery not holding charge - 0b49e859-1f76-4bdd-bb89-9856dede32bf.jpg

Posted on Mar 18, 2015

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Chris Hingee

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If the Makita battery is more than 3 - 4 years old then the battery could be worn out.Rechargeable batteries have a finite number of charge and discharge cycles andwill lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up at all. OR Thebattery shows a 100% charge but when the adapter is disconnected the batterydrops off to zero capacity in a very short time. If the battery drops to anunacceptable charge level then the battery needs to be replaced.

Posted on Jan 21, 2012

  • Chris Hingee
    Chris Hingee Jan 21, 2012

    If you can remove the C cells from the battery packs and test the voltage on each cell to find the OK cells, then the only problem you will have is to connect the cells together. You cannot solder them together as they are nearly impossible to solder and the heat of the soldering iron will destroy the cell/s. These cells need to be tack welded together as they produce little residule heat (hight heat for a very short period).

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