Power & Batteries

SKU: DF-FIT0586 | Brand: DFRobot

This is a CE-certified XT30 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 15A and peak c...

SKU: DF-DFR0563 | Brand: DFRobot

3.7V lithium batteries are commonly used in many projects. However, the remaining power and voltage of the lithium battery are highly nonlinear. We can only roughly judge whether the battery is full or almost empty a...

SKU: SF-CAB-14743 | Brand: SparkFun

USB C is fantastic. But until we have converted all our hubs, chargers, and ports over to USB C this is the cable you’re going to need. Supporting USB 3.1 speeds, this 1 meter cable is perfect for high data rate tr...

SKU: AF-1196 | Brand: Adafruit

A 12-wire slip ring assembly that allows continuous 360° rotation while maintaining electrical continuity. The gold-plated internal contacts ensure reliable signal and power transfer across all 12 colour-coded wire se...

SKU: PR-PIM086 | Brand: Little Bird

A laser-cut acrylic base plate that replaces the bottom layer of a Pibow case, adding a secure mounting area for breadboard prototyping alongside your Raspberry Pi. Compatible with Raspberry Pi 3, A+, Zero, and Zero W...

SKU: AF-1351 | Brand: Adafruit

A simple 2-way DC barrel jack splitter that lets you power two devices from a single power adapter. Plug in one standard 5.5mm/2.1mm DC barrel jack and get two identical outputs — perfect for powering multiple boards ...

SKU: AF-390 | Brand: Adafruit

This versatile LiIon/LiPo battery charger accepts power from three sources: a 6 V solar panel (via 2.1 mm DC jack), USB Mini-B, or a 5 V DC adapter. It features automatic charging current tracking that draws the maxim...

SKU: PI-COM1304 | Brand: Pimoroni

A 4×AA battery holder with press-stud (snap) termination, providing a portable power source for wearable and on-the-go projects. With four alkaline AA batteries, it delivers approximately 6V with 7,000–10,000 mAh of c...

SKU: AF-1466 | Brand: Adafruit

This UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 4A (4,000mA / 20W) via a standard 5.5×2.1mm centre-positive DC barrel jack. It accepts 110–240V AC input and is ideal for powerin...

SKU: TB-MP3144 | Brand: Little Bird

An ultra-slim switchmode power adaptor that delivers 5V DC at 1A through a compact, lightweight design. Slim enough to sit side by side on a power board without blocking adjacent outlets. Features built-in EMI filter...

SKU: AF-2190 | Brand: Adafruit

The VERTER is a buck-boost DC-DC converter that accepts 3–12 V input and outputs a stable 5.2 V — ideal for powering Arduino, Raspberry Pi, and other 5 V electronics from a wide variety of battery packs. The slightly ...

SKU: AF-2200 | Brand: Adafruit

How good is your multimeter really?  Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's conversion accuracy & precision. If only you had a dependable, high ...

SKU: DF-DFR0105 | Brand: DFRobot

Most project of Arduino may need more than two voltage supply. When feed with from 4.5-35V, this arduino power shield able to provide a voltage range from 1.25-12V with 3A peak current. Ideal for servo control and ot...

SKU: DF-FIT0141 | Brand: DFRobot

A 6×AA battery holder with a DC 2.1mm power jack that plugs directly into an Arduino's barrel jack input. Creates a 7.2V rechargeable battery pack from NiMH/NiCd cells or a 9V pack from alkaline cells. Features mounti...

SKU: DF-FIT0168 | Brand: DFRobot

A waterproof DC-DC step-down converter that takes 11–35V DC input (compatible with 12V and 24V systems) and outputs a regulated 7.5V at up to 5A (38W). The sealed, shockproof enclosure and 96% efficiency make it well ...

SKU: DF-FIT0169 | Brand: DFRobot

A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics, vehicles, and...

SKU: SF-PRT-14299 | Brand: SparkFun

This is a unique two-cell AA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been terminated with a JST-PH connector. The connector mates the JST socket on the micro:bit perfectly...

SKU: SF-CAB-14276 | Brand: SparkFun

USB On-The-Go (OTG) is a really useful USB specification! It allows some small devices that would normally be unable to act as a host to have limited hosting capabilities! USB OTG is common for things like tablet c...

SKU: AF-2745 | Brand: Adafruit

Your power supply problems just got SUPER SOLVED! This 3.3V Buck Converter Breakout board is great for supplying power to low voltage circuits from a single Li-Ion cell battery or USB power...

SKU: SF-PRT-14219 | Brand: SparkFun

A 2×AAA battery holder with a sliding cover and built-in ON/OFF switch. The cover keeps batteries secure, and the switch provides convenient power control for your project. Wire leads are approximately 150 mm long wit...