A large-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for providing a lot of power to an GPS, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and micro-controllers. If you want something a little smaller, we have a 4400mAh power pack with one USB port that can provide up to 1A We tested it with an iPad...

PowerBoost 500C is the perfect power supply for your portable project! With a built-in battery charger circuit, you'll be able to keep your project running even while recharging the battery! This little DC/DC boost converter module can be powered by any 3.7V LiIon/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V projects. If you need a 1A battery charger, smart load-sharing, and 1A iOS resistors, check out...

A medium-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for providing a lot of power to an iPhone, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and micro-controllers. If you want even more power, we have a 10,000mAh power pack with two USB ports that can provide up to 2A! We tested it with an iPhone 5...

PowerBoost 1000C is the perfect power supply for your portable project!  With a built-in load-sharing battery charger circuit, you'll be able to keep your power-hungry project running even while recharging the battery!  This little DC/DC boost converter module can be powered by any 3.7V LiIon/LiPoly battery, and convert the battery output to 5.2V DC for running your 5V projects. If you dont need the 1A battery charger, smart...

Add a power switch to any USB-powered project simply by plugging this between the USB power port and the USB cable. This is the most useful thing you never knew you needed! You'll want to pick up a bunch for your electronic projects. Comes with a USB A socket on one end and a USB A plug on the other. In between is an in-line switch that is rated for 2 Amps. The data lines are not connected through - this is a ground/5V power switch only! The...

A smaller-sized rechargeable battery pack for your Raspberry Pi or Raspberry Pi B+ (or Arduino, or Propeller, or anything else that works with 5V!). This pack is intended for providing power to an iPhone, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and micro-controllers. If you want more power we have a 4400mAh version  and if you want even more...

There's two standard ways to power electronics - USB or 5.5mm/2.1mm DC barrel jack. This or that! With this USB to 2.1mm Male Barrel Jack Cable , you can now power 5V DC powered electronics that have a DC jack from a USB jack with a handy 1 meter long cable. Simply plug the USB A side to any computer, PowerBoost, USB wall adapter, or even a USB battery pack. Other side is center positive, 5.5mm outer/2.1mm inner diameter jack. We got these...

ON...off...ON...off...ON...off...ON...off...WE CAN'T STOP CLICKING THIS ON-OFF SWITCH! It has such a satisfying click and it works so well.  Plus, it's just about perfect for charging your Raspberry Pi - either Model B, A+, B+, or Pi 2.  Just hook up the standard USB end to a 5V 1A USB port power supply or 5V 2A USB port power supply and the Micro B end to a Raspberry Pi and you have a Pi with a switch. This...

A massive rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for providing a lot of power to an iPhone, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and micro-controllers. Inside is a 3300mAh lithium polymer battery, a charging circuit (you charge it via the USB cable attached), and two boost converters - one...