Question about Makita 18V LXT Lithium - Ion Cordless Impact Driver Kit Model BTD140

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DC18RA from 110v to 220v

Hi, I have the same US charger and need to convert it but it looks slightly diffrent inside. The varistor - do you have a better image of the location or reference number on the circuit board..? Is the a circuit digram available..? Many thanks! Svitus

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  • Zuluratnik Dec 30, 2008

    I have the same problem. My charger is different than the one in the tutorial. The components are positioned differently and capacitor (condensator) is 1000uF 200V. Do I need larger one or just with a higher voltage? I have some photos of the charger.

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Hi all,
I added another HowTo page for moding the DC18RA from 110V to 220V , you can find it here
Have fun and good luck

Posted on Jan 10, 2009

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The varistor you have to change is the one that runs parallel on the current after the fuse, in my case it was easy to find as it was the one with the plastic hood on it.

I'm going to update the webpage with some new pictures that I hope would hetp to clarify it.

Posted on Nov 17, 2008

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I have the Makita DC18ra s charger for 110V. by mistake i insert it to 220and burn the fuse and a components as described on the borad VDR1 01 Do someone knew what is this components thank alon


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hi all,
I added another HowTo page for moding the DC18RA from 110V to 220V , you can find it here
Have fun and good luck

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Makita DC18RA charger conversion


You can't use the same capacity as it gives you a very
large and expansive capacitor.
I used the max. diameter of 30mm that could go into the PCB of the model I have and it is 470uF 400V
You'll need to replace another capacitor, see my mod page !
This works !

I added another HowTo page for modding the DC18RA from 110V to 220V , you can find it here
all the components details are in it

Have fun and good luck

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Modifying the DC18RA from 110V to 220v


Hi there the solution for how to mod a DC18RA charger can be found here. The "how to" comes with pictures and descriptions and it should be easy to follow, and best of all it works :)


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Makita 18v 120volt american charger to be used in australia


Don't go buying more stuff when you can fix the problem yourself without buying any converter. The modification required to do it is very easy and most people wont have any problem following it.

You can go to this webpage where a detailed walkthrough is given (with pictures):
http://www.byggebolig.no/index.php?topic=5572.0

Some of the post are in norwegian but the walkthrough is in english.

Good luck and happy moding :)

P.S.

For those of you that have "blowed up" a makita charger 110v on a 220v, don't throw it away!
If you are lucky you have only blowed up the fuse and the varistor, which are easy to replace, and if you follow up the walkthrough you might even go all the way a mod the charger to 220v.

I know, I have already manage to "save" a blowed up charger.

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