Power Management

SKU: DF-FIT0918 | Brand: DFRobot

A compact 4×AA battery holder with a built-in on/off power switch, DC2.1 barrel jack output, and a protective cover. Ideal for powering Arduino, Raspberry Pi, and other microcontroller projects with a portable 6V supp...

SKU: AF-5038 | Brand: Adafruit

Witty Pi 3 Mini adds a real-time clock (DS3231SN) and intelligent power management to your Raspberry Pi in a compact bonnet/pHAT form factor. It allows you to schedule startup and shutdown times, define complex ON/OFF...

SKU: DF-SEN0291 | Brand: DFRobot

Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A,...

SKU: DF-DFR0568 | Brand: DFRobot

This compact DC-DC buck-boost converter automatically steps voltage up or down to deliver a stable 3.3 V output from a wide 2.5–15 V input range. With a maximum output current of 600 mA and ultra-low 180 µA quiescent ...

SKU: AF-1349 | Brand: Adafruit

A really tiny portable inverter for EL wire. Powers off of a single AAA battery (not included!), it can drive up to 50cm / 20 inches of our high-brightness EL wire or 10cm x 1cm long piece of EL tape for 3 hours (o...

SKU: SF-PRT-13777 | Brand: SparkFun

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your battery-powered project runni...

SKU: PL-1155 | Brand: Pololu

A compact enclosed battery holder for six AA batteries, providing approximately 9V (alkaline) or 7.2V (NiMH rechargeable) from a series configuration. Features bare wire leads for flexible integration into your projec...

SKU: SF-PRT-13032 | Brand: SparkFun

A simple breadboard power supply that takes a 6–12 V input and outputs a regulated 5 V or 3.3 V. All headers are at 0.1" pitch for direct insertion into a standard breadboard, with the output pins spaced to power both...

SKU: DF-FIT0471 | Brand: DFRobot

INTRODUCTION This is a small DC - DC boost module that converts a 0.9 ~ 5v power source to standard 5V, making it capable of supplying power to an Arduino microcontroller and other small ...

SKU: AF-3456 | Brand: Adafruit

This 5×AA battery holder delivers approximately 7.5V from five AA batteries, terminated with a 2.1mm DC barrel plug (centre positive). It provides the ideal voltage for Arduino boards and other development boards with...

SKU: PL-2808 | Brand: Pololu

A compact latching power switch with built-in reverse voltage protection. One push turns power on, another push turns it off – providing clean, reliable power control without bulky mechanical switches. This low-volta...

SKU: SF-PRT-18769 | Brand: SparkFun

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover as well as an ON/OFF switch that can be used to control power to your project. The ...

SKU: DF-DFR0494 | Brand: DFRobot

An uninterruptible power supply HAT for Raspberry Pi that provides steady power during outages, protecting your system from damage and ensuring safe shutdown. Ideal for mobile applications like Raspberry Pi cameras, t...

SKU: AF-1196 | Brand: Adafruit

A 12-wire slip ring assembly that allows continuous 360° rotation while maintaining electrical continuity. The gold-plated internal contacts ensure reliable signal and power transfer across all 12 colour-coded wire se...

SKU: AF-390 | Brand: Adafruit

This versatile LiIon/LiPo battery charger accepts power from three sources: a 6 V solar panel (via 2.1 mm DC jack), USB Mini-B, or a 5 V DC adapter. It features automatic charging current tracking that draws the maxim...

SKU: PI-COM1304 | Brand: Pimoroni

A 4×AA battery holder with press-stud (snap) termination, providing a portable power source for wearable and on-the-go projects. With four alkaline AA batteries, it delivers approximately 6V with 7,000–10,000 mAh of c...

SKU: DF-FIT0168 | Brand: DFRobot

A waterproof DC-DC step-down converter that takes 11–35V DC input (compatible with 12V and 24V systems) and outputs a regulated 7.5V at up to 5A (38W). The sealed, shockproof enclosure and 96% efficiency make it well ...

SKU: SF-PRT-14219 | Brand: SparkFun

A 2×AAA battery holder with a sliding cover and built-in ON/OFF switch. The cover keeps batteries secure, and the switch provides convenient power control for your project. Wire leads are approximately 150 mm long wit...

SKU: SF-COM-08357 | Brand: SparkFun

This is a handy little device that can save your system from smoking. A resettable fuse (also known as a PTC) is a resistor that has very unique properties.  For this model, if your circuit tries to draw more tha...

SKU: SF-DEV-11893 | Brand: SparkFun

The LilyPad Simple Power is a simple e-textile board that lets you connect and charge a lipo battery and switch it on or off, that’s it! We provide you with a JST connector and a slide switch, you supply the battery a...