Power & Batteries

SKU: AF-4552 | Brand: Adafruit

Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to any Ethernet device, even if it doesn't natively support PoE! The splitter...

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: SF-CAB-14743 | Brand: SparkFun

USB C is fantastic. But until we have converted all our hubs, chargers, and ports over to USB C this is the cable you’re going to need. Supporting USB 3.1 speeds, this 1 meter cable is perfect for high data rate tr...

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: PR-PIM086 | Brand: Little Bird

A laser-cut acrylic base plate that replaces the bottom layer of a Pibow case, adding a secure mounting area for breadboard prototyping alongside your Raspberry Pi. Compatible with Raspberry Pi 3, A+, Zero, and Zero W...

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: TB-MP3144 | Brand: Little Bird

An ultra-slim switchmode power adaptor that delivers 5V DC at 1A through a compact, lightweight design. Slim enough to sit side by side on a power board without blocking adjacent outlets. Features built-in EMI filter...

SKU: AF-2200 | Brand: Adafruit

How good is your multimeter really?  Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's conversion accuracy & precision. If only you had a dependable, high ...

SKU: DF-FIT0141 | Brand: DFRobot

A 6×AA battery holder with a DC 2.1mm power jack that plugs directly into an Arduino's barrel jack input. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Features mounti...

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-14299 | Brand: SparkFun

This is a unique two-cell AA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been terminated with a JST-PH connector. The connector mates the JST socket on the micro:bit perfectly...

SKU: SF-CAB-14276 | Brand: SparkFun

USB On-The-Go (OTG) is a really useful USB specification! It allows some small devices that would normally be unable to act as a host to have limited hosting capabilities! USB OTG is common for things like tablet c...

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...

SKU: DF-FIT0333 | Brand: DFRobot

A lightweight, thin, and truly flexible solar panel rated at 1.5V / 250mA (0.5W). Unlike rigid solar panels, this one can be bent, sewn, or adhered to curved surfaces, making it perfect for wearable electronics, porta...

SKU: PL-1185 | Brand: Pololu

The ACS714 Current Sensor Carrier provides a compact breakout for Allegro's ±5A ACS714 Hall effect-based linear current sensor. It offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.1 kV R...

SKU: AF-80 | Brand: Adafruit

A high-quality 9V battery clip with a pre-assembled 5.5mm/2.1mm centre-positive barrel connector. The moulded plastic clip covers the battery terminals to prevent short circuits, and the barrel plug connects directly ...

SKU: SF-CAB-11579 | Brand: SparkFun

Behold, the Hydra! This USB power cable probably looks a lot like something you’ve hacked together before. We do it all the time, because what is a computer if not a 5V power supply that happens to run software? T...