Power & Batteries

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-3784 | Brand: Adafruit

A 4×AA battery holder with a 20cm (8″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides a portable power source for development boards and projects that accept a standard DC barrel jack inpu...

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: AF-3905 | Brand: Adafruit

This compact 2×2 AA battery holder connects four AA batteries in series, providing a nominal 6 V DC output (alkaline) or 4.8 V DC (rechargeable NiMH). The premium jumper header wires plug directly into a breadboard — ...

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-3858 | Brand: Adafruit

A 2×AA battery holder with premium jumper header wires that plug directly into a breadboard — no stripping, twisting, or fighting with thin leads. Two AA batteries in series provide approximately 2.5V to 3V, making th...

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-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...