Power & Batteries

SKU: DF-FIT0337 | Brand: DFRobot

This small capsule is a 4.5V button cell battery holder for mini power solutions.Its minimalism design in clean white cylinder body and matte surface makes it an elegant power capsule in your projects. It also includ...

SKU: SF-PRT-00338 | Brand: SparkFun

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is non-returnable. If this item arrives damaged or is not functioning pr...

SKU: SF-PRT-00337 | Brand: SparkFun

CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in single units.

SKU: SF-PRT-00114 | Brand: SparkFun

A through-hole soldering kit that builds into a compact breadboard power supply. It accepts a DC barrel jack input and outputs a selectable 5 V or 3.3 V regulated supply via 0.1" (2.54 mm) header pins that plug direct...

SKU: SF-TOL-11456 | Brand: SparkFun

USB is being implemented as a power connection standard more and more these days, but you don’t always have a computer on hand so how are you going to power all of your sweet USB devices? How about a high quality swit...

SKU: SF-PRT-11305 | Brand: SparkFun

A standard LR44 alkaline button cell battery (1.5 V) commonly used in digital calipers, calculators, small electronics, laser pointers, and LED throwies. Keep a spare on hand so you're never caught without power. Spe...

SKU: AF-610 | Brand: Adafruit

A panel-mount DC barrel jack that accepts standard 2.1 mm power plugs. The extra-long threaded body fits panels up to 8 mm thick (5/16″), making it suitable for wooden enclosures and thicker project boxes — not just s...

SKU: SF-PRT-12748 | Brand: SparkFun

A standard SMD (surface-mount) DC barrel power jack for use with common DC wall adapters. This is the same connector size used on most Arduino boards and many other development platforms. Key Features Surface-Mount...

SKU: AF-654 | Brand: Adafruit

A standard CR2032 lithium coin cell battery providing 3V nominal output. This non-rechargeable cell is widely used in electronics projects, wearables, and sewable circuits. Specifications Type – CR2032 lithium coin...

SKU: LB-PRT-12618 | Brand: Little Bird

An enclosed coin cell battery holder for two CR2032 batteries wired in series, delivering up to 6 V output. The holder features a built-in on/off slide switch and two 150 mm (6″) power leads (positive and negative). A...

SKU: AF-783 | Brand: Adafruit

A compact coin cell battery holder designed for small portable and wearable electronics projects. It holds two 20mm coin cells (CR2032 is the most common size) wired in series to provide 6V nominal output, with an on/...

SKU: AF-276 | Brand: Adafruit

This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for power...

SKU: AF-798 | Brand: Adafruit

Warning: This is a US-plug adapter and is not certified for use in Australia. Only purchase if you are using it outside Australia or with an appropriate plug adapter. A regulated 12V DC switching power adapter deli...

SKU: AF-1994 | Brand: Adafruit

This 5V 2A USB power supply provides clean, regulated power for single-board computers like the Raspberry Pi and BeagleBone, or any other USB-powered device with high current demands. It outputs via a USB Type-A port,...

SKU: SF-COM-27925 | Brand: SparkFun

Keep your project powered through power-supply hot swaps with this compact ideal diode breakout from SparkFun. It provides reliable one-way voltage control for dynamic power selection and switchover, over-voltage prot...

SKU: SF-DEV-27510 | Brand: SparkFun

Add the user interface and power features needed to take a compatible SparkFun development board into the field. This shield brings together battery power, charging, storage and controls in a compact add-on board.Powe...

SKU: SF-PRT-21297 | Brand: SparkFun

This compact regulator board makes it easy to power breadboard projects from a 6-12V supply. It provides a selectable regulated output of either 5V or 3.3V, making it handy for quick prototyping with common microcontr...

SKU: SF-PRT-26784 | Brand: SparkFun

This compact Qwiic board lets you switch power to downstream Qwiic devices so high-current modules can be turned off when they are not needed. That can help conserve energy in battery-powered builds using GNSS and oth...

SKU: DF-FIT0964 | Brand: DFRobot

This official micro:bit-branded USB cable is a short, reliable lead for powering and programming BBC micro:bit development boards. It connects a standard USB-A port on a computer or hub to the Micro USB socket on comp...

SKU: LB-HR0214-42A | Brand: Little Bird

Turn a temperature difference into electricity. Hold one side of this module against something warm, keep the other side cool, and it generates a usable voltage with no moving parts at all. It is a tidy way to show e...