Power & Batteries

SKU: DF-FIT0043 | Brand: DFRobot

The second version of the 9V to Barrel Jack Adapter, now featuring a hard plastic battery snap for easier connection and disconnection. Plug a 9V battery into one end and connect the other to any device with a 5.5 × 2...

SKU: AF-2897 | Brand: Adafruit

A simple adapter that sits inside a 5.5 / 2.5 mm DC barrel jack, allowing you to use a standard 5.5 / 2.1 mm barrel plug with it. Just insert the adapter into the device's 2.5 mm jack, then plug in your 2.1 mm power s...

SKU: SF-COM-00527 | Brand: SparkFun

The LM317TG is a three-terminal adjustable positive voltage regulator with an output range of 1.2V to 37V and up to 1.5A output current. Only two external resistors are needed to set the desired output voltage, making...

SKU: SF-PRT-11476 | Brand: SparkFun

This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder t...

SKU: AF-184 | Brand: Adafruit

Build your own breadboard-friendly adjustable power supply with this soldering kit. Based on the MIC2941 low-dropout regulator, it provides a guaranteed 1.25A output with only 40–400 mV dropout — far better than the L...

SKU: TB-WC7724 | Brand: Little Bird

USB A to USB Micro B lead. Specifications Quality of lead Standard Directional Output...

SKU: SF-PRT-10891 | Brand: SparkFun

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF swi...

SKU: AF-875 | Brand: Adafruit

This 8×AA battery holder provides a portable power source with a built-in on/off switch and a standard 5.5 mm / 2.1 mm DC barrel plug for easy connection to Arduino boards, LED strips, motors, and other 12V devices. U...

SKU: TB-MP3490 | Brand: Little Bird

Regulated output voltage, small size and higher power output make these AC adaptors suitable for thousands of different applications. Features: Slimline design Supplied with 7 plugs

SKU: LB-LS6060 | Brand: Little Bird

A compact 120 × 120 mm polycrystalline solar panel that outputs 5V at up to 400mA (2W) in direct sunlight. Pre-wired for easy connection to microcontrollers, battery charging circuits, and small solar-powered projects...

SKU: LB-LS1677 | Brand: Little Bird

A compact 4-in-1 USB-C hub that expands a single Type-C port into HDMI video output, two USB-A data ports, and a USB-C power delivery passthrough. Simply plug into your laptop, tablet, or smartphone's USB-C port for i...

SKU: LB-LS4126-LS1558 | Brand: Little Bird

FeaturesIndependent Charging: Each of the four slots operates independently, allowing simultaneous charging of different battery sizes or charge levels.LED Indicator Lights: Red – Charging Green – Fully Charged S...

SKU: LB-3000MAH | Brand: Little Bird

Stay charged anywhere with our compact 3000mAh Micro:bit Charger.Unlike many power banks that shut down with low power draw, this one stays on even when your Micro:bit uses minimal power.Includes a USB-C cable for cha...

SKU: LB-MINI-B | Brand: Little Bird

This USB cable features a Type A Male connector on one end and a Mini B connector on the other. This allows you to easily connect your devices such as cameras, Arduino Nano, MP3 players, and other electronics to your ...

SKU: LB-1601026 | Brand: Little Bird

This USB splitter cable expands a single USB 2.0 Type-A port into two, allowing you to connect multiple devices simultaneously for both charging and data transfer. It's a compact solution for adding extra USB connecti...

SKU: LB-LS3337 | Brand: Little Bird

An enclosed battery holder for three AAA cells with a built-in on/off switch. The snap-on lid fully covers the batteries, keeping them secure during use. Wire leads allow you to connect directly to your project. Thre...

SKU: DF-DFR0580 | Brand: DFRobot

The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers. This...

SKU: AF-4711 | Brand: Adafruit

The AP3429A Buck Converter Breakout steps down 3.4–5.5V input to a stable 3.3V output at up to 1.2A, with 90–95% efficiency. It's ideal for powering 3.3V circuits from LiPo batteries, 3× alkaline cells, or USB power s...

SKU: SF-CAB-15426 | Brand: SparkFun

USB-C is fantastic. What makes this cable even better is that one of the features we love so much about USB-C has been replicated to the USB-A 2.0 plug! These cables have minor, yet genius modifications that allow ...

SKU: LB-LR0335-V | Brand: Little Bird

This 5-metre length of EL wire (electroluminescent wire) glows a vibrant purple when powered by the included battery-operated inverter. EL wire is a flexible, phosphor-coated wire that produces a cool, even glow simil...