Batteries

Paper circuits are a fantastic way to  teach the basics and fundamentals of creating an electric circuit without the need to solder or code a singl...

Paper circuits are a fantastic way to  teach the basics and fundamentals of creating an electric circuit without the need to solder or code a singl...

DFRobot Raspberry Pi UPS HAT is an uninterruptable power supply shield for Raspberry Pi. It can provide steady power source to Raspberry Pi for an ...

This is a Li-ion Battery Holder specially designed for micro: bit educational robot Maqueen. It can be used to hold a CR123A 3.6V lithium rechargea...

This is a battery box specialized for micro:bit. You can place two AAA batteries into the battery holder, switch on and then it will supply powe...

Sometimes we want our projects on, but sometimes we want to turn them off for a while to save power. The SparkFun Nano Power Timer will run while o...

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this...

Power:bit button cell board is a micro expansion board in the smallest size equipped with a buzzer. It can not only supply power to the board but i...

Do you yearn for complete and total mastery of your battery pack situation? Like a mystical amulet in a fantasy film, the Tenergy 5-in-1 Intelligen...

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

This battery holder connects 2 AA batteries together in series for powering all kinds of projects. We spec'd these out because the box is fairly...

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

Description This battery enclosure (with switch) for the BBC micro:bit is the perfect way to power your micro:bit on the go. Specifications:  2...

This battery holder connects 2 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is open ...

This battery holder connects 2 AA batteries together in series for powering all kinds of projects. We spec'd these out because the box is fai...

This battery holder connects 2 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is ni...

ELECFREAKS Power:bit is a kind of micro:bit extension board with minimum size. It is powered by two 2025 button batteries and carries a buzzer o...

USB-powered charger for LIR2032 coin cell batteries.  DO NOT use with non-rechargeable CR2032 batteries!Note: Battery not included! Teknikio mak...

ESC (Electronic Speed Controller) can be divided into brushed ESC and brushless ESC according to the different motor types. It is widely used in t...

3.7V lithium batteries are commonly used in many projects. However, the remaining power and voltage of the lithium battery are highly nonlinear. W...

3 AA battery box with croc-clip-friendly connection points and built-in resettable fuse to protect against short-circuits.The on-board green LED sh...

Flat 4xAA battery holder with a 2.1mm barrel jack connecter, suited for projects including the the Arduino development board UNO.

A lightweight, sewable battery board that's great for paper and fabric engineering projects. Works with CR2032 coin cell batteries. The voltage ...