Batteries

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...

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...

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...

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

This cordless precision screwdriver includes 6 bits and is compatible with standard 4 mm bits. It is ideal for precision work such as smartphones, ...

Pyscan is a sensor shield you can use with any of your Pycom multi-network development boards! Featuring an accelerometer, ambient light sensor ...

An essential companion to the Chibi Chip, the Clip enables rapid testing and re-use of the Chip. With the Clip, attaching (and detaching) your C...

Autogami is a little car that runs on sun! Just place it on the windowsill or in the sun to recharge the battery! A days charge allows the car to r...

This is a little battery pack for our Litex LED ribbons. No LEDs are included, but the battery pack is very nice and you can cut the LED ribbon in ...

Chances are you spent time today poking into a circuit with two hands and then craning your neck over looking over at a multimeter display, which c...

Power your projects when you're on the road! Holds 4 x AA batteries providing a ~5-6V supply. When fully loaded you should get between 7,000mAh - 1...

Keystone Electronics 18650 Battery Holders are ideal for 3.7V, high energy, lower weight mobile electronics, industrial, and telecomm applications ...

Running a Paper Circuits Class or need lots of batteries for E-Textiles and Wearables?  This is our best-priced Coin Cell Battery.CR2032 Button Cel...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged ...