Adafruit

Adafruit 2034 - Digital Multimeter - Model 9205B+  This massive multimeter has everything but the kitchen sink included. It's a great addition to any workbench or toolbox.  It's low cost,...

Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 400mAh for...

A handy extension cord for JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One end has a JST-PH socket, and the other end has a matching plug. Between the two, 500mm of...

Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 350mAh for...

This USB In-Line Voltage and Current Meter with OLED Display is a lot like the Charger Doctor we carry - if the doctor was a talented surgeon who just lost her medical license and has nothing to lose...

Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to any Ethernet device, even if it doesn't natively...

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...

Oh so adorable, this is the tiniest little lipo charger, so handy you can keep it any project box! It's also easy to use. Simply plug in the gold plated contacts into any USB port and a 3.7V/4.2V...

Make your projects go green this summer with Adafruit's specialized USB/Solar Lithium Ion Polymer Battery charger! This charger is a very unique design, perfect for outdoor projects or DIY iPod...

Caution! This switch is NOT compatible with the Raspberry Pi 4B. Please see the Type-C Power Switch for Raspberry Pi 4 instead. Add a power switch to any USB-powered project simply by plugging...