Batteries

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 ...

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

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 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 ...

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...

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 ...

The LiitoKala Lii-402 is a smart multifunctional charger. if you need charging your batteries and do not want fancy features, this is a good charg...

The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power b...

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