Power Management

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...

SKU: DF-FIT0170 | Brand: DFRobot

The 120W DC-DC Converter steps down a 15–40V DC input to a stable 12V output at up to 10A, making it an ideal regulated supply for embedded PCs, robots, and 12V accessories powered from higher-voltage battery systems....

SKU: AF-2727 | Brand: Adafruit

This adapter cable converts a 5.5mm/2.1mm DC barrel jack power supply to a Micro USB plug, allowing you to power Micro USB devices from a standard barrel jack power adapter. The barrel jack end is centre-positive pola...

SKU: DF-FIT0261 | Brand: DFRobot

INTRODUCTION Shape Memory metals that were developed by NASA for the space industry, and have been used for increasing applications down on earth.For example,there have been limited studie...

SKU: SF-TOL-14100 | Brand: SparkFun

This is the big kahuna from Mean Well, a 350W single output switching power supply. This power supply is extremely reliable and beefy, able to output 24VDC at 14.6A. If you’ve been looking for a powerful power supply ...

SKU: SF-CAB-14093 | Brand: SparkFun

The Adam Tech Wall Adapter Cable (EU) provides a safe, ready-made connection between a European mains outlet and compatible power supplies. Terminated with a standard CEE 7/7 plug at one end and three colour-coded ins...

SKU: AF-2778 | Brand: Adafruit

This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power ...

SKU: SF-SEN-12040 | Brand: SparkFun

The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a sm...

SKU: SF-PRT-07949 | Brand: SparkFun

A PCB-mount clip designed to hold a single AA battery. Ideal for small, low-power applications that need a compact battery solution. Sold individually — use two clips for a complete AA battery holder. Key Features ...

SKU: SF-COM-11707 | Brand: SparkFun

Do you fear that your power may not be “far reaching” enough? How would another 6' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 6' of power cable is exactly what your project needs. Do...

SKU: SF-COM-11705 | Brand: SparkFun

We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a perfectly good barrel jack extension cable, but the whole point of using the barrel jacks was s...

SKU: SF-COM-11706 | Brand: SparkFun

Do you fear that your power may not be “far reaching” enough? How would another 3' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 3' of power cable is exactly what your project needs. Do...

SKU: AF-327 | Brand: Adafruit

A 1.5-metre (5 ft) extension cable with a 5.5 / 2.1 mm barrel jack (female) on one end and a barrel plug (male) on the other. Heavy-duty 24 AWG wires handle up to 5 A, making it suitable for powering LED strips, Ardui...