Power & Batteries

SKU: AF-1197 | Brand: Adafruit

A compact dual-connector USB cable with a USB-A plug on one end and both Mini-B and Micro-B connectors on the other. The Micro-B connector carries data and power, while the Mini-B connector provides power only — handy...

SKU: SF-COM-15093 | Brand: SparkFun

Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with...

SKU: AF-3972 | Brand: Adafruit

Make your next custom USB cable a breeze with a USB Micro B Male Plug to 5-pin Terminal Block. If you need to connect to a device with a micro USB plug or maybe make your own USB OTG device or custom cable of so...

SKU: AF-3969 | Brand: Adafruit

Make your next custom USB cable a breeze with a USB Mini B Female Socket to 5-pin Terminal Block. If you need to connect to a device with a mini USB plug or maybe make your own USB OTG device or custom cable ...

SKU: AF-1352 | Brand: Adafruit

A simple 1-to-4 DC barrel jack splitter that lets you power four devices from a single DC power adapter. Features standard 5.5mm/2.1mm barrel connectors with rugged moulded construction. Plug your existing DC power s...

SKU: AF-4009 | Brand: Adafruit

This USB A to Micro-B cable looks like any other at first glance — but plug it in and dozens of tiny LEDs embedded along the cable light up in blue and green. It's functional and fully supports both data transfer and ...

SKU: AF-4008 | Brand: Adafruit

At first glance this appears to be an ordinary A to micro B USB cable. Plug it in to your device and power supply, and you get a colorful glitter of dozens of little LEDs embedded in the length of the cable.Can be use...

SKU: AF-1329 | Brand: Adafruit

Connect a battery pack or bare wires to any device with a 2.1 mm DC barrel jack input using this adapter cable. Colour-coded alligator clips (red for centre-positive, black for ring-negative) clip onto battery termina...

SKU: AF-1407 | Brand: Adafruit

The squarish board with two chips on it is the transmitter (power with 9V).  The longer board is the output and you can connect that to the part of your project that needs powering. Inductive charging ...

SKU: AF-1448 | Brand: Adafruit

Wow, is this not the most useful thing you did not know existed or what? Its a switching wall adapter where you can easily change the voltage! It's like a benchtop supply you can take with you anywhere.This model is 1...

SKU: AF-3878 | Brand: Adafruit

As technology changes and adapts, so does Adafruit! Rather than the regular USB A, this cable has USB C to Micro B plugs!USB C is the latest industry-standard connector for transmitting data and power. Like Lightning ...

SKU: AF-1867 | Brand: Adafruit

A breakout board with a CR1220 coin cell battery holder, an on/off switch, and 0.1″ pitch breakout pins. Ideal for powering very low-current projects or providing switchable battery backup for a real-time clock (RTC) ...

SKU: AF-2162 | Brand: Adafruit

A Qi-standard wireless charging transmitter base that powers compatible Qi receivers wirelessly. Connect it to a 5V power supply via the Micro-USB port (or share the connection through the USB-A port), then place your...

SKU: AF-2272 | Brand: Adafruit

This battery holder is designed to clip and hold Panasonic camcorder lithium-ion battery packs, providing a convenient high-capacity power source for custom projects. Simply snap your battery in, and use your existing...

SKU: DF-FIT0145 | Brand: DFRobot

A waterproof DC-DC step-down/step-up converter that accepts 8–40V DC input and delivers a stable 12V output at up to 6A (72W). Ideal for powering embedded PCs, single-board computers, and robot electronics from a wide...

SKU: SF-PRT-14411 | Brand: SparkFun

The SparkFun LiPo Charger/Booster is a compact board that charges a single-cell lithium polymer battery and boosts its output to a regulated 5V at up to 1A. Built around the MCP73831 charge controller and PAM2401 boos...

SKU: AF-2591 | Brand: Adafruit

I know you just did a double take when looking at this power supply, what's up with the two cables? Normally you have a switching power supply that plugs into the wall and provides something like 5V or 9V or 12V regul...

SKU: SF-PRT-14338 | Brand: SparkFun

This isn’t your ordinary power supply. The Global Power Supply is a 15V, 4.34A power device specifically designed to work with the JustBoom Amp HAT for the Raspberry Pi. Additionally, as this is a “global” power su...

SKU: DF-FIT0171 | Brand: DFRobot

The DFRobot FIT0171 is a 150W DC-DC buck-boost converter that accepts 8–40V DC input and provides a stable 24V DC output at up to 6A. Housed in a waterproof, shockproof enclosure, it is well suited for mobile robots, ...

SKU: DF-FIT0172 | Brand: DFRobot

A waterproof DC-DC step-up converter that takes 8–18V DC input and outputs a stable 24V at up to 10A (240W). The sealed, shockproof enclosure makes it suitable for robotics, outdoor installations, and demanding enviro...