Power Supplies

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 9V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 7.5V suppl...

The world's first and only open-source hardware charger: The MintyBoost®!New version! Works with the new iPhone 4 & 5 and more! Please revie...

One can never have enough socks, or USB ports. Add some more USB and WifI capability to your Raspberry Pi or, really, any kind of computer with ...

Charge your single-cell lithium ion/polymer battery any which way you like with this board. Have a USB connection? No problem, just plug into...

Note: We recommend our newer 500 mA D24V5Fx family and 1 A D24V10Fx family of step-down voltage regulators over this product. They offer similar ...

The compact (0.4″ × 0.5″) D24V3F3 switching step-down (or buck) voltage regulator takes an input voltage between 4.3 V and 42 V and efficiently ...

These LR44 button cell batteries are fairly common but it can be hard to keep them around. They fit our digital calipers, so if you use yours as mu...

The IEC C13 is a common AC power connection. You’re likely to have one plugged into your computer, your guitar amp or your soldering iron. This pow...

Does your project need a little more umph than our wall wart adapters can supply? Why not give this a shot? This 2A “laptop brick” supply outputs b...

This is a USB 2.0 type A to Mini-B 5-pin cable. You know, the mini-B connector that usually comes with USB Hubs, Cameras, MP3 players, etc. You can...

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the ...

If you have a project where you'd like to be able to detach the wiring, this wire will fit the bill. Its a JST 2.5mm 'free hanging' cable assembly ...

A small, portable inverter for EL wire. Powers off of 2 AA batteries (not included!), it can drive 1 to 8 feet (about 2.5m) of our high-brigh...

This is a beefy switching supply, for when you need a lot of power! It can supply 12V DC up to 5 Amps, running from 110V or 220V power (the plug it...

This is a USB 2.0 type B to Micro-B 5-pin black cable. You know, the mini-B connector that usually comes with cell phones, Cameras, MP3 players, et...

Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are con...

This connector is a single-row, 11-pin, straight female header strip designed to match 0.1" male headers. The order quantity must be a multiple of...

If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy! There is a 2.1mm ...

If you need to connect a DC power wall wart to a board that doesn't have a DC jack - this adapter will come in very handy! There is a 2.1mm DC jack...

The Solder Vacuum, a great (and sometimes under appreciated) little tool for solder rework. It allows you to pull the molten solder out of a connec...

This is the same 18650 Lithium Ion Cell that you know and love, but now includes pre-attached solder tabs! These round high capacity cells have bee...

The tiny little LiPo/LiIon power supply shim for all versions of the Raspberry Pi!We love mobile projects but having a discrete, slick, and tidy po...

Is there anything an Arduino can’t do? Well, for one, most of them can’t be powered directly from a 3.7V LiPo battery; much less charge and monitor...

This product is a 3-in-1 cable. By itself, it can act as an extension cord for any 5.5/2.1mm DC power cable. The heavy 24 AWG wires can handle up t...