Batteries

 This is a simple 6 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.

Here's another addition to our growing family of AA battery holders. A holder for three (3) AA batteries! It's got an 8" long power cable with a...

Get with the times, already! This SparkFun Real Time Clock (RTC) Module is a Qwiic-enabled breakout board for the RV-1805 chipset. The RTC is ...

The MI:power board for the BBC micro:bit brings real portability to your wearable projects. The stylish, lightweight PCB is designed to fit snug...

DISCONTINUED: This product has been discontinued, the page is available for reference and documentation. Today, your router is running 7x24 for onl...

CR2032 Button Cell Battery - Great for use with the Lilypad Switch Battery HolderAdditional Information Button battery safety information Warning: ...

We've got battery holders for all sorts of needs and projects! Waterproof? Here ya go. With a clicky on/off switch? Easy peasy. Here's our lates...

This E-Textiles  Coin Cell Battery Holder has a small slide switch installed on the board, in-line with the power so you can shut off your project ...

Here's another addition to our growing family of AA battery holders. Behold! A holder for four (4) AA batteries! It's got a 5" long power cable ...

Here's another addition to our growing family of AA battery holders. A holder for four (4) AA batteries! It's got an 8" long power cable with a ...

150mm 6'inch LCD Digital Electronic CaliperPerfect hobby caliper.

These high capacity batteries are used in many desktop and notebook computers to retain date, time and configuration information while the compute...

A Smart Bluetooth Button that can be programmed wirelessly, in JavaScript! Puck.js is an intelligent Bluetooth button. With the Espruino JavaScr...

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and ...

A massive rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for ...

The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of rechargeable batteries, ...

MoPi-2 is mobile and 24/7 power for the Pi 2 and Pi 3 boards. On your bike, up a tree, or for your home server: we've got you covered! MoPi-2 featu...

We've taken the classic, portable, rechargeable lithium ion battery pack and tweaked the design to make it amenable to low current applications. Wh...

By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One...

The Parrot Mambo Minidrone is full of surprises! Whether you equip it with the Cannon or the Grabber, it'll turn the sky into an amazing playgro...

We've got battery holders for all sorts of needs and projects! Waterproof? Here ya go. With an on/off switch? Easy peasy. Here's our latest a...

This 5m length of EL wire (electroluminescent wire) is a flexible wire coated with phosphor which glows blue when applied with the appropriate volt...

This 5m length of EL wire (electroluminescent wire) is a flexible wire coated with phosphor which glows blue when applied with the appropriate volt...