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

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Modifying the DC18RA from 110V to 220v

Hi MarkDay

I want to replace the stock transformer in the 110V DC18RA, in order for i to work with 220V. Can you help me find where in europe I can get the transformer needed in order to do this?

Brgds
Soeren

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  • Anonymous Oct 04, 2008

    charger dc18ra transform from 110v to 220 v

  • Anonymous Oct 22, 2008

    i have exactly the same problem - is there a
    "cheap" workaround?

    thanks



  • Anonymous Nov 10, 2008

    Same here!

  • tsmyles Mar 26, 2009

    Hi.


    So, since it appears that the DC18RA has a switching supply that simply has a few components only rated for 120 volts, has anyone tried using it on 120 volts AFTER the component change?


    Theoretically it shouldn't make a difference; right?

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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 :)


Posted on Nov 11, 2008

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Don't.

I tried changing the capacitors, but the MOSFET blew instead.  Turns out that the MOSFETs in the 110V model has about half the voltage rating of the one in the 220V model.

The MOSFET is expensive, so you're better off buying a 220/110V transformer or a 220V charger.

Posted on Nov 06, 2009

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Hi all,
I added another HowTo page for modding 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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Don't replace the transformer in ur charger.just get a step up transformer like 110v to 220volts with plug in receptacle.

Posted on Aug 21, 2008

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I tried this solution. I found out the capacitor has to be bigger. 220uF did not do the job, replaced with 500uF and then it worked :-)

Posted on Dec 30, 2008

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I added another HowTo page for moding the DC18RA from 110V to 220V , you can find it here
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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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You can go to this webpage where a detailed walkthrough is given (with pictures):
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