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Parts Express 12V 2A DC To DC Converter

4.6 out of 5 stars 20 customer reviews
| 7 answered questions

Price: $18.82 & FREE Shipping on orders over $49. Details
Only 10 left in stock.
Sold by Rocket Sales and Fulfilled by Amazon. Gift-wrap available.
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  • Universal 12 volt DC-DC converter
  • Selectable output voltage
  • Fully regulated to ensure proper voltage
  • Six common interchangeable tips
  • Short circuit, thermal, and overload protection
2 new from $12.87
$18.82 & FREE Shipping on orders over $49. Details Only 10 left in stock. Sold by Rocket Sales and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Parts Express 12V 2A DC To DC Converter
  • +
  • RoadPro RP-203EC 12V 12' Extension Cord with Cigarette Lighter Plug
Total price: $22.97
Buy the selected items together


Technical Details

  • Brand Name: Parts Express

Product Description

Now you can power TV sets, boom boxes, video games, etc. while on the road. Just pick a tip, plug it in (observing polarity), select the proper voltage, and well...that's it. Hideaway version. Included tip dimensions (mm): 3.5, 2.1 x 5.0, 2.1 x 5.5, 2.5 x 5.5, 1.35 x 3.5, and 1.5 x 5.5.

Product Information

Product Dimensions 6.7 x 5 x 2.3 inches
Item Weight 5.6 ounces
Shipping Weight 5.6 ounces (View shipping rates and policies)
ASIN B000KGKFA4
Customer Reviews
4.6 out of 5 stars 20 customer reviews

4.6 out of 5 stars
Best Sellers Rank #1,019 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > Power Converters
Date first available at Amazon.com August 31, 2009

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By David Bailey on November 7, 2014
Verified Purchase
This converter is very efficient and flexible. I use it with 12-volt GelCell batteries and motorcycle batteries to provide completely isolated power supplies when I need clean power at a remote location. In particular, it is handy when running a small FM transmitter that is sensitive to noise in the DC supply line. One drawback for this supply is that, if the 12-volt input supply leads are reversed, there is no protection and an electrolytic capacitor that lies across these lines is easily blown. (very loud and smelly!) Since the unit is supplied with a connector that fits into a cigarette lighter socket, this is not really a problem. There are rare instances of older, positive ground automotive electrical systems, however, where this arrangement must be taken into account, so be careful. Also, if you modify the input to provide a different connector set for the input, take care to get the polarity right. All-in-all a very impressive unit with good current delivery to the output and a good set of output voltages (3, 4.5, 6, 7.5, 9, and 12 volts). The six adaptors provided with the unit offer a two-pin connector that allows for tip polarity changes by inserting in one direction or another. This seems to be a universal type of adapter and I have several that I have received with other power converters over the years. Good design!
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By benjaminw on February 22, 2013
Verified Purchase
This device properly delivers 12V DC power to my DC device. It would be nice if there was a 5V setting- there are 4.5V and 6V settings, but no 5V. Why is that? I've found that most of these DC adapters don't have 5V settings, yet most of the USB DC/cigarette adapters are 5V. What's up with that? Seriously, if you know, please leave a comment!
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Verified Purchase
Parts Express 12V 2A DC To DC Converter is a hard item to find ,but now that I've found it, I can use it for all my needs in my car.
This item was recently received by me for a very reasonable price. I have not had a chance to fully try it out but, what little usage
I've done so far was very good. It ran all the items that I tried with ease.I so far have no complaints and love this item.I've been
looking for one of these for along time and now I can run items that I had sitting around due to bad connections with the original items.
The Parts Express 12V 2A DC To DC Converter saved me from having to throw these items away because of bad connections or connectors.
The Parts Express 12V 2A DC To DC Converter has replaced the original parts without problems and this makes me happy because I don't
have to pay a lot for an item replacement now. The cheapest place that I found this item was on Amazon and that makes me happy too.
I know Amazon will back this product during my trial period for st least 30 days if it doesn't work out the way I think it should but,
so far I am very happy with this product and Amazon.If you need this type of item it won't hurt to try it and see if you like it.It's a
win win because you have a 30 day trial and a product to use at a very reasonable cost and it appears to be very well made so far.Try, you'll
like it.
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By pv on December 21, 2013
Verified Purchase
Pretty straight-forward... choose the right tip end, and correct polarity, and you're all set. My previous one had the power settings built into the cigarette lighter plug end, and this one has a box mid-line between the ends, so there's less weight and bulk at the lighter socket, which is better.
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Verified Purchase
This converter has a pretty huge advantage over all of its competition - the unit itself includes a little compartment where you can store the plug adapters. All of the other units that I have had other than this one required me to store the little plug ends somewhere else, which is not nearly as good as storing them inside the device itself. The unit is a little bit ungainly because it is a big box that has two cords on either end - this means that you are going to have the converter box loose, banging around. Other designs try to mount everything onto the lighter plug end, but that can create its own set of problems. You would think that this design would have a small, minimalist plug end, since it has the big box instead. Sadly, this is not the case, the lighter end it actually pretty long, with a red LED on it, and then another half inch of plastic beyond that. Strange. I am pleased with the device, and it has the 7.5 V setting that is missing in some of the other units.
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Verified Purchase
I was looking everywhere for a simple, inexpensive way to power my home-made time lapse camera. After some research, this particular converter seemed like the best way to convert a the power from a car battery to power my Cannon EOS without dying or zapping the camera to death!

Much better then paying 100's of dollars for the same result. Worth the bargain
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Verified Purchase
This is just what i was looking for it has the right voltage rating and runs at upto 2.0 amps,the other ones either had wrong amps or the wrong voltage so for the price and options this fit the bill but i just got this so i have not been able to use it yet.
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Verified Purchase
I would caution using it for anything approaching 2 amp because we all know max current capabilities is sometimes a bit of factory propaganda. I would keep it under 1.7 and you will be happy.
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