Power Management

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-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...

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: 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...