Power Supplies

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82 Products Found


Battery Holder 3-AA

This battery holder uses 3 AA cells to power your electronics, robotic or embedded project. You can do without, but MAN, when you need to hold 3AA cells, you'll need it!

$1.95 USD


3-AA Battery Holder (w/ 15cm leads)

This unit is great for wiring up 3 AA batteries in series.

$2.25 USD


LilyPad Power Supply

A small, but mighty power supply. This board was designed to be as small and inconspicuous as possible.

$14.95 USD


Barrel Power Jack socket, 2.1mm Connection

2.1mm barrel power jack socket. For connecting barrels, I mean "power leads"!

$1.00 USD

BHoldAAA 1 Cell

1-Cell AAA Holder

Holder for single AAA size battery. 1.95" long x 0.50" x 0.50" high. Unbreakable black plastic. 6" wire leads.

$0.80 USD


5 x AA Holder With 2.1mm Barrel Plug

It's a nice 5-AA battery holder, with 5" leads and a 2.1mm DC barrel plug.

$3.75 USD


Parallax BOE-Boost

Need to add more voltage to your regular 4AA battery pack? Parallax has come up with this ingenious plug in module that adds a 5th module to your AA quad-pack holder.

$4.95 USD


SLVR-1 Power Supply

It's a handy power-breakout, featuring barrel-jack input, and multiple 5V regulated, unregulated, and USB-compatible power taps.

$10.00 USD


SparkFun Barrel Jack Power Switch - M-F

Instead of yanking and plugging 2.1" power connectors, toggle the power with this short inline power switch.

$2.50 USD


SparkFun DC/DC Converter

Need a tidy DC-to-DC converter? This SparkFun breakout board offers 6 amperes of conversion, taking any DC voltage between 4.5-14VDC, and turning it to a selectable voltage between 0.59 and 5.5VDC.

$21.95 USD





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