Power Supplies

The compact (0.5″ × 0.7″) D24V10F9 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 9 V while ...

If you have a modern smart phone you may have noticed that it comes with built in wireless charging capability called 'Qi charging.' Qi is a tra...

You want to get hacking with your Pi fast, right? Get everything you need to start with the Adafruit Starter Pack for Raspberry Pi. It's the per...

This breadboard-compatible module is an alternative to bulky power switches. It uses a small integrated slide switch to control a high-side power ...

This is just a standard USB-A jack.  It's a sturdy metal with 4 pins in the back and 2 small mounting tabs that make it easy to use in your next US...

Need a nice little 5V regulator? We rather like the very-low-dropout L4931 from ST! This little guy will help you get your 5.5-20V battery or wa...

Our all-in-one 5V 2A, MicroUSB cable, international power adapter is the perfect choice for powering single-board computers like Raspberry Pi or...

You're going to work hard with your Raspberry Pi 2 Model B or Raspberry Pi 1 Model B+.  You're going to have to solder, code, and Linux your Mak...

This handy little low-cost USB Isolator is exactly what you need to provide protection against harmful noise, ground loops, surges, and spikes. ...

In many applications, we will use lithium batteries as our power solutions. In this kind of application, the most two important things are the pow...

3.7V Polymer Lithium Ion Battery - 1000mAh 

Light'em up! Designed for future lighting professionals and artists, these flexible LED strand can be used for projects from architectural li...

This is a 100 Farad capacitor. Combine two in series for 50F/5.4V. Our testing told us that two of these can power Arduino for 4 hours (with on...

This is a 4.7 Farad capacitor. This small cap can be charged up and then slowly dissapated running an entire system for hours. Combine two in seri...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a...

qualMeter is an easy and cost-efficient DIY device, which can help you to simply diagnose the quality of your USB charging cable and charger in a ...

This battery holder can hold 6 AA battery which is able to become a 7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from ...

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control sign...

The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V. This LiPo charger ...

I know you just did a double take when looking at this power supply, what's up with the two cables? Normally you have a switching power supply that...

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this ch...

This isn’t your ordinary power supply. The Global Power Supply is a 15V, 4.34A power device specifically designed to work with the JustBoom Amp ...

Let’s say “what’s up” to the Watt’s Up Meter! The Watt’s Up is an all-in-one digital DC ammeter and watt, watt-hour and amp-hour meter. Watt’s U...

This is a waterproof DC-DC converter. With 8-40V DC input, it converts to 24V@6A which is an ideal supply for mobile robots, and motors. ...