Need a lot of 5V power? This switching supply gives a clean regulated 5V output at up to 4 Amps (4000mA). 110 or 240 input, so it works in any country. The plugs are "US 2-prong" style so you may need a plug adapter, but you can pick one up at any hardware store for a $1 or so, or you can buy a 'figure-8' cable for your country, also available at any electronics or hardware store.

This cable terminates with a 'standard' 5.5mm OD, 2.1mm ID positive tip connector and with match with our 2.1mm extension cord, female terminal block adapter, breadboard-friendly DC jack, etc.

This adapter is great for use with RGB LED Matrices, NeoPixels, RGB LED pixels or addressable LED strip, etc. Its not good for powering an Arduino thru the DC jack as it requires at least 7.5V - check out our 9V adapter instead!

Some customers have asked us why the label seems to say ".4A" instead of "4A" - there is a comma in front of the 4 that looks like a dot! It is really a 4A supply.

5V 4A (4000mA) switching power supply - UL Listed (1:10)

  • 97.59mm x 45mm x 28.34mm (3.84in x 1.7in x 1.1in)
  • Cable Length: 58in (4.8')
  • Cable Diameter: 5.41mm (0.21in)
  • Plug type: 5.5mm OD / 2.1mm ID 'coaxial' DC plug
  • Input: 110V-220V AC
  • Output: ~5V DC up to 4A
Glowy, flexy and addressable!
HUNDREDS of pixels of eye-blasting LED glory!
Everything you always wanted to know about Adafruit NeoPixels but were afraid to ask
It used to be impossible to use NeoPixels with Netduino, until now!
Teach this arm to move with your own hands
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Daisy-chain three 16x32 LED Displays with a Raspberry Pi
Customize the display with your own GIF collection
Remote controlled display to brighten up any room
Imagine NeoPixels with a double shot of espresso…
Should I stay or should I go now?
3W of blindingly bright LEDs - controllable with a single pin
Show the Pi's video output on a large RGB LED matrix display!
Control RGB LED panels from a Web application using Raspberry Pi.

(AF-1466)

SKU AF-1466
Brand Adafruit

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