Power Management

SKU: SF-PRT-00119 | Brand: SparkFun

DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter. Datasheets: Datasheet

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: AF-317 | Brand: Adafruit

A small, portable inverter for EL wire. Powers off of 2 AA batteries (not included!), it can drive 1 to 8 feet (about 2.5m) of our high-brightness EL wire for 10 hours. There is a button for selecting steady/bli...

SKU: SF-ROB-13063 | Brand: SparkFun

This is a 3 wire slip ring, a remarkably simple electromechanical assembly that allows for electronic signals and power to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, rada...

SKU: AF-3239 | Brand: Adafruit

This IEEE 802.3af PoE splitter separates power and data from a single PoE Ethernet cable, providing selectable regulated DC output (5V, 9V, or 12V) at up to 1A alongside a standard Ethernet data connection. A DIP swit...

SKU: AF-1905 | Brand: Adafruit

The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your batt...

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: DF-DFR1208 | Brand: DFRobot

##Introduction This DC-DC step-down converter module is designed to efficiently reduce a high input voltage (15-24V) to a stable 12V output, supporting up to 12A of current. The module offers high conversion efficienc...

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-FIT0784 | Brand: DFRobot

A DC 5.5×2.1mm female to USB Type-C male power adapter plug, allowing you to power USB-C devices from a DC barrel jack power supply. Useful for powering Raspberry Pi 4/5, LattePanda, and other USB-C-powered boards fro...

SKU: DF-FIT0783 | Brand: DFRobot

A DC 5.5×2.1mm female to Micro-USB male power adapter plug, allowing you to power Micro-USB devices from a DC barrel jack power supply. Useful for powering Raspberry Pi, LattePanda, phones, and tablets from existing D...

SKU: SF-COM-18376 | Brand: SparkFun

An industrial-grade DC buck-boost converter that accepts 8–40V input and delivers a regulated 12V output at up to 3A (36W). Ideal for battery-powered systems where input voltage varies — such as SLA or LiFePO4 batteri...

SKU: AF-4430 | Brand: Adafruit

Inductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargeable electric toothbrush: you may have noticed that you recharge it by placin...

SKU: DF-FIT0626 | Brand: DFRobot

This battery holder connects 3× AAA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector, making it compatible with DFRobot boards and other devices that use the PH2....

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: DF-FIT0611 | Brand: DFRobot

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 rechargeable battery to provide more than 8 hours continuous power for Maqueen....

SKU: AF-4194 | Brand: Adafruit

A slim, open-top 2×AA battery holder with a genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, Adafruit boards, and microcontrollers wi...

SKU: AF-4192 | Brand: Adafruit

A slim, open-top 2×AAA battery holder with a genuine JST PH connector. Two AAA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and boards with JST ...

SKU: DF-FIT0587 | Brand: DFRobot

This is a CE-certified XT60 plug that is mini-sized .The plug features a true gold plating and a banana cross recessed design with a larger contact area that can withstand a constant 30A peak current of 60A.Its plast...

SKU: DF-FIT0586 | Brand: DFRobot

This is a CE-certified XT30 plug that is mini-sized and takes up less space. The banana plug features a true gold plating and a cross-slot design with a larger contact area that can withstand a constant 15A and peak c...