Power Management

SKU: SF-DEV-15801 | Brand: SparkFun

The SparkFun Power Delivery Board uses the STMicroelectronics STUSB4500 controller to negotiate USB Power Delivery (PD) contracts with compatible chargers and adapters. Instead of being limited to 5 V from a standard ...

SKU: DF-FIT0619 | Brand: DFRobot

This battery holder connects 3× AA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector with a 15cm wire lead, making it compatible with DFRobot boards and other devi...

SKU: SF-PRT-15700 | Brand: SparkFun

A 4-pin right-angle ATX connector designed to mate with the standard 4-pin peripheral power connector commonly found on ATX power supplies. Through-hole (PTH) mounting for secure PCB attachment. Specifications Pins...

SKU: SF-PRT-15217 | Brand: SparkFun

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge connector to USB-C and prov...

SKU: SF-COM-15208 | Brand: SparkFun

The SparkFun Buck-Boost Converter is a handy power accessory board that allows you to fine tune the amount of power your project receives. This converter can take an input voltage of anywhere from 3-16V which can then...

SKU: EF-EF03409 | Brand: ElecFreaks

ELECFREAKS Power:bit is a kind of micro:bit extension board with minimum size. It is powered by two 2025 button batteries and carries a buzzer on the board

SKU: DF-FIT0588 | Brand: DFRobot

This is a CE-certified XT90 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 40A and peak ...

SKU: DF-DFR0570 | Brand: DFRobot

This is a DC-DC buck-mode power module, with input voltage range 5.5~28V and fixed output voltage/current 3.3V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion and tiny body, convenient to em...

SKU: AF-3848 | Brand: Adafruit

An isolated Power over Ethernet (PoE) module that extracts power from the Ethernet cable's centre taps and outputs a regulated 5 V at up to 1.8 A. The built-in isolation transformer ensures there is no direct electric...

SKU: AF-3847 | Brand: Adafruit

A compact Power over Ethernet (PoE) module that extracts power from the Ethernet cable's centre taps and outputs a regulated 5 V at up to 1.5 A. Connect the four input wires to the PoE pins on your Ethernet-capable bo...

SKU: AF-3788 | Brand: Adafruit

A 4×AA battery holder with a built-in on/off switch and a 13cm (5″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides convenient portable power with easy switching for development boards and ...

SKU: PL-2884 | Brand: Pololu

The Pololu D24V150F9 is a high-current synchronous step-down (buck) voltage regulator that converts input voltages up to 40V down to a fixed 9V output. With up to 15 A available output current and typical efficiencies...

SKU: AF-3624 | Brand: Adafruit

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and Current Meter we carry but can  be used with a wide range of voltages...

SKU: SF-TOL-14457 | Brand: SparkFun

The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of rechargeable batteries, thereby eliminating the need to own multiple chargers. Capable of auto...

SKU: AF-3650 | Brand: Adafruit

The Adafruit INA219 FeatherWing is a high-side current and voltage sensor that stacks onto any Feather development board. Using the INA219B chip over I2C, it measures both DC current draw and bus voltage with 1% preci...

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-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-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: SS-110060062 | Brand: Seeed Studio

The AllPixel PowerTap is a tiny accessory board (under 1" square) that simplifies power injection on long runs of LEDs. When running long LED strips, voltage drops can cause dimming and colour inconsistency — the Powe...