Power Management

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: 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...

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...

SKU: SF-PRT-09835 | Brand: SparkFun

This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino (among a numbe...

SKU: DF-DFR1216 | Brand: DFRobot

##Introduction The Multi-function Expansion Board for UNIHIKER is an all-in-one solution designed to unlock the full potential of UNIHIKER K10 projects. It directly addresses common hurdles by integrating a powerful m...

SKU: LB-LS5006 | Brand: Little Bird

This assortment pack contains 50 linear voltage regulators across 10 popular types, giving you a handy selection for power supply projects and prototyping. All regulators are in the TO-220 package and cover a wide ran...

SKU: AF-6271 | Brand: Adafruit

Here is a handy measurement data display to help you see in real time the load flowing into your devices as they charge via USB-C. You'll have immediate readings of voltages, amps, and watts along with their peaks.Thi...

SKU: TB-MB3703 | Brand: Little Bird

This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modula...

SKU: AF-5644 | Brand: Adafruit

The Adafruit 12V Bias Voltage Boost Converter uses the TI TPS61040 to generate 12V DC from as little as 3V input. This compact breakout is ideal for generating the bias voltage needed by OLED displays, LED string back...

SKU: SF-COM-23979 | Brand: SparkFun

Does your microcontroller need to control a high-voltage item, like a 12V LED strip, while also needing to be powered? Do you want to avoid having multiple power adapters and microcontrollers for your project? The MOS...

SKU: AF-5383 | Brand: Adafruit

This small, palm-sized battery power meter has a small display that shows off how much juice is left in your single Lithium Ion/Polymer rechargeable battery. The color display has four levels of power indication once ...

SKU: AF-5391 | Brand: Adafruit

If you're messing around with floppy drives, or disk drives, or other devices that are usually powered with a PC motherboard you'll often see these big 'Molex' connectors used to provide power. They are used to give 5...

SKU: SF-TOL-16886 | Brand: SparkFun

Have you ever needed to power a project while in your car? Now you can without having to drag a computer along with this cost effective 5V, 2.4A USB car charger. These car chargers have a standard USB 'A' connector fo...