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RockBirds RB-1202 New DC 12V 2.0A Switching Power Supply Adapter For 110V- 240V AC 50/60Hz 2.1mm Black

3.9 out of 5 stars 513 customer reviews
| 31 answered questions

Price: $4.69 & FREE Shipping
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12V 2A 1PCS
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  • RockBirds state-of-the-art switching power supply. If you tinker around with your own electronics at all, this is the perfect little converter to have on hand
  • Excellent and versatile AC adapter. RockBirds power supply has the standard 2.1 mm round end output plug that will work with many devices and It has 2A output that can be sufficient to meet the requirements of many devices
  • Comes with small adapter that has screw terminals, and it can wire up a project and not have to cut the plug off the cord
  • Light weight and low power consumption for the Led Strip/Wireless Router, ADSL Cats, HUB, Switches, Security Cameras, Audio/Video Power Supply, MP4, Electric toys, etc
  • Features:Input: 100-240V AC 50/60Hz 0.8A Max; Output: 12V 2.0A
4 new from $4.69 1 used from $6.31
$4.69 & FREE Shipping In Stock. Sold by Kelly shop and Fulfilled by Amazon.

Frequently Bought Together

  • RockBirds RB-1202 New DC 12V 2.0A Switching Power Supply Adapter For 110V- 240V AC 50/60Hz 2.1mm Black
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Total price: $21.16
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Size: 12V 2A 1PCS
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Product Description

Size: 12V 2A 1PCS

Specifications:
Type: 12V 2A
Input: 100-240V AC 50/60Hz 0.8A Max
Output: 12V 2.0A
Dimensions: 3.07(L) x 1.77(W) x 1.18(H) in
Output adaptor: 5.5mm x 2.1mm
Cable length: about 35.8 in
Net weight: 100g
Package size: 4.3 x 2.2 x 2.1 in
Package weight: 125g

Applications:
For the Led Strip, Led string lights, Wireless Router, ADSL Cats, HUB, Switches, Security Cameras, Audio/Video Power Supply.

package list:
1 X 12V 2A AC Adapter
1 X Adapter Connector

Product Information

Size:12V 2A 1PCS

Technical Details

Part Number RB-1202
Item Weight 2.4 ounces
Product Dimensions 4.5 x 2.4 x 2.2 inches
Item model number RB-1202
Size 12V 2A 1PCS
Color Black
Shape Square
Power Source AC
Plug Format A- US style
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B00VM292AO
Customer Reviews
3.9 out of 5 stars 514 customer reviews

3.9 out of 5 stars
Best Sellers Rank #1,546 in Home Improvements (See top 100)
#34 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > AC Adapters
Shipping Weight 2.4 ounces (View shipping rates and policies)
Date First Available April 3, 2015

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 12V 2A 2PCS Verified Purchase
I read some of the reviews that these don't really put out 2.0A. Just got them today (Ordered a "two pack") and tested ONE of them. Jerry-rigged up three 2 ohm, 5W resisters in serial and strapped them across the output of the supply. Without load, the PS supplied 12.25V even (Used a multimeter. When under the 6 ohm load the output voltage dropped to 11.75 volts. Wasn't a big surprise. But under that load, again measuring it, this time measuring the current it stayed right at 2.1A to 2.2A. Kept it running for seven or eight minutes, but the 5W resisters started smoking so I had to stop it. The PS was just fine. I'd have put it under a better load, for longer, but I'm kinda short on 2 ohm 5W resistors. I was actually trying to find when the PS would burn out, but I didn't feel like diving into my "resistor junk drawer" to find ones that would hold the stress.

So from this I have to say that this thing DOES indeed provide the stated output voltage (Albeit, a half volt lower) at an over 2A load.

The only thing I DON'T like about these is the short power cord; I didn't read the specs before I purchased them and the cord is about three feet long; I needed this to power a 12V LED strip lamp I'm making, to hang on the wall, so it seems I'll have to extend the cord. That's my fault for not bothering to read the specs. So in my view, these are a "win."
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Size: 12V 2A 2PCS Verified Purchase
Bought four, returned two: Here are the results of testing under load for each of the four units:

Unit 1: 12.26V @ 10mA ; 12.0V @ 500mA ; 9.7V @ 1.0A ; 4.52V @ 1.3A (max available current)
Unit 2: 12.46V @ 10mA ; 12.0V @ 810mA ; 9.2V @ 1.0A ; 4.54V @ 1.3A (max available current)
Unit 3: 12.46V @ 10mA ; 12.0V @ 1.43A ; 11.8V @1.75A ; 9.51V @ 2.0A (max rated current)
Unit 1: 12.54V @ 10mA ; 12.0V @ 1.50A ; 11.7V @1.75A ; 9.45V @ 2.0A (max rated current)
1 Comment 42 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 12V 2A 1PCS Verified Purchase
Solid little 12V adapter. I'm just running a handful of PC fans on it, so haven't really put it under much stress, but it works. My favorite part about it though is the little adapter thingy that came with it. I originally planned to build my own connector to hook up the fan wires, or just cut the plug end off this and solder everything together, but the little adapter with screw terminals to run wires straight into is way better and will be easy to swap things out if any of the fans die, or if the AC adapter dies.
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Size: 12V 2A 1PCS
This power supply was purchased to operate a old NetGear router that I have misplaced the original power brick for.

Please observe the photos below to see pertinent details of this unit:

The center (or tip) is positive and inside diameter measures 2.15mm
The outside diameter of the plug is 5.47mm
Output is slightly in excess of 12.5 volts, exactly as advertised.
I was unable to detect any electromagnetic interference in radio or audio equipment being used nearby.
The prongs on the power supply are solidly mounted.
The router works fine. No issue.
The power supply stays cool to the touch, but a router doesn't pull much power. YMMV.

The enclosed bonus plug allows you to attach naked wires to the power supply. I did not utilize this feature, but the attachment seems well made. The blue indicator light is a nice touch. I purchased this product at a discount in exchange for evaluation and honest review.
2 Comments 14 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 12V 2A 1PCS
These are great for LED strips. I had some SMD 5050s (non-rgb) leftover from a project with my car and wanted to use these indoors. With a simple solder, you can attach some wire into the included socket, or you can purchase solderless options.

The included plug/socket works great too. You just uncrew the top to open it up and it clamps onto the thing wires quite well when you close them.

The brick does have a blue light for some reason; it is on whether you have LED strips plugged in or not.

I received this item at a discount in exchange for my honest review; all opinions are my own.
I hope you found this review helpful!
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Size: 12V 2A 2PCS Verified Purchase
After going all over the place from Best-Buy to Walmart looking for a 120V AC --> 12V DC power supply, I finally found what I was looking for on Amazon (hence why I pretty much do all shopping except groceries & clothing on Amazon now).

I was trying to test out a Pioneer AVH-X4700BS head unit prior to installing it in my vehicle to confirm if it was a DOA unit & get a feel for the unit in general. The RockBirds switching power supply works PERFECTLY for my application & I had the unit running for over 30mins w/ ZERO hiccups.

I got around a 12.4V DC using this converter & have posted some pics of my setup.

** Note **

- If you are trying to test an aftermarket HU, make sure to connect the "constant" & "switched" wires together into the "+" terminal & the HU's "ground" wire into the "-" terminal.
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Size: 12V 1A 2PCS Verified Purchase
These have a profile that is narrow enough that they don't hog space on the typical power strip on which the plug slots are all in a line. = = = = =
They consume only a few milliamps when not under load, so don't heat up and waste electricity when you're not using them. My need is only about 500ma, so I can't say how they would preform under a heavier load.
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