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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My charger is accidentaly connect into 220v and this is burn. im here in philippine. its this to repair and i use again...


Is this a 110Volt version that you plugged into 220v?

There is a ceramic Fuse inside the unit that might be blown. It is the first thing on the circuit board near the power cord connection.

Open the unit up and post a photo of any burned components ?

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Why can't you buy the 230 volt DC18RA charger in europe (amazon.europe country) and use it. I had the same issue yet i burned out the fuse in the 110 volt DC18RA charger because i plugged it into the wall just using an adaptor. Lesson learned. Therefore, my first solution was that i bought a converter from 220V-to 110 Volt. This showed me that my charger was done. So instead of getting another 110 volt charger sent here to Europe from Canada, I returned the converter and have on order a 230 volt input DC18RA charger from amazon.de which has the same 7.2-18V output. I have been told this will work yet the fear, and I don't know why, is that it will burn out the batteries in a year or so. It is difficult getting specific information from Makita, but I hope it all works out. Best of Luck for you

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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


yes you can fix it i have done 2 charges but white you are in there if you chance the large round capacitor to a 450v one you then can use the charger in 220 v you will have to increase the size of the voltage resistant diode to 240v (the vrd101 part in the charger) or by pass it with a straight bridge then the charger should work in 220v because the rest of the charger is exactly the same the parts will be around $10 ibought the parts from farnell

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Have a DC18RA fast charger brand new from the USA. TRIED to charge a battery for the first time , unit plugged in with a universal adaptor for the power point. as soon as i put the power on it blew the...


Hey Chris
sorry to read of your unpleasant experience.
I assume you are in a 220-240AC net.

Anyway, this charger will not work well if at all with a universal charger because of the high power it needs.
You can use a transformer which cost a lot for this spec, modify the unit or buy a unit for 220VAC.

If you are into modding it, have a look at this page assuming you have model DC18RA T , P/N: 630516A7

If you are lucky only the fuse and probably a capacitor and varistor blew up, you should check this.

Good luck
Avi


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MAKITACHARGER 220v to 110v problem after using of right converter


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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Drawing


OK, sorry, because my internet connection went down for near a month, so ...
No problem for that, just give me your e-mail address.I will e-mail you ASAP.

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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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