Power & Batteries

SKU: DF-DFR0876 | Brand: DFRobot

The Raspberry Pi PoE+ HAT adds Power over Ethernet capabilities to your Raspberry Pi 3B+ or 4B, allowing you to power and connect your Pi to the network using a single Ethernet cable. This eliminates the need for a se...

SKU: SF-PRT-21870 | Brand: SparkFun

A simple plug and play USB C to A converter (and vice-versa). This allows you to run devices and cables with the classic USB Type A connector off a device or adapter with a USB Type C port. It features up to USB 3.1 s...

SKU: LB-LR0309-20 | Brand: Little Bird

A simple single-slot 9V battery holder case with wire leads for soldering or connecting directly to your projects. Keeps your battery secure and organised. Key Features Wire Leads – Pre-attached cables for direct s...

SKU: DF-FIT0151 | Brand: DFRobot

A screw-terminal adapter that converts a 5.5 × 2.1 mm centre-positive DC barrel jack connection to bare wire terminals. Plug in a barrel jack power supply on one end and connect the screw terminals to a breadboard, ci...

SKU: AF-3030 | Brand: Adafruit

Double up on your micro USB capabilities with the Micro B USB 2-Way Splitter Cable. This splitter is great for reducing cable clutter and freeing up port space. It takes a single Micro B connection (with data ...

SKU: SF-PRT-10811 | Brand: SparkFun

This DC power jack/connector is just like the other one that we carry except that it’s terminated with breadboard-friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and...

SKU: SF-PRT-10288 | Brand: SparkFun

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack an...

SKU: AF-3435 | Brand: Adafruit

The Adafruit TPL5110 Low Power Timer Breakout turns any electronics project into a low-power system by periodically switching power on and off. Connect it between your power supply and your project, and the TPL5110 wi...

SKU: AF-5449 | Brand: Adafruit

A USB Type-C Power Delivery (PD) cable that converts any PD-capable USB-C power adapter into a 9V DC barrel jack output at up to 5A. The built-in PD sink negotiation chip communicates with your adapter to request 9V o...

SKU: SF-CAB-19717 | Brand: SparkFun

A USB-C to USB-C cable with a built-in LCD display that shows real-time power draw — so you can see exactly how much power your device is pulling. Supports up to 100W USB PD (Power Delivery) at 5A, with USB 2.0 data t...

SKU: DF-DFR0884 | Brand: DFRobot

This dual-USB step-down buck converter accepts 8–32V DC input and delivers a regulated 5V output at up to 3A across two USB Type-A ports simultaneously. With over 85% conversion efficiency and built-in reverse-connect...

SKU: AF-4755 | Brand: Adafruit

The Adafruit Universal USB/DC/Solar Lithium Ion/Polymer Charger (bq24074) charges 3.7V/4.2V LiPo or LiIon batteries from virtually any power source — USB Type-C, DC adapter, or solar panel — with a wide 5–10V input ra...

SKU: LB-LR0293-3 | Brand: Little Bird

An 80 cm USB-A to Micro USB cable for data transfer and charging. Compatible with development boards such as the Arduino Leonardo, as well as Raspberry Pi, mobile devices, and other electronics that use a Micro USB co...

SKU: AF-4052 | Brand: Adafruit

This panel mount cable will allow you to enclose a device that has a USB A port, and also converts it to a modern USB C connector at the same time. Perfect for placing your project in a secure box! One end is a USB...

SKU: AF-3859 | Brand: Adafruit

A 4×AA battery holder with premium jumper header wires that plug directly into a breadboard. No stripping or soldering required — just insert the header pins into your breadboard rails and start prototyping with porta...

SKU: DF-FIT0539 | Brand: DFRobot

A robust battery holder designed to house three 18650 lithium-ion cells in series, delivering a nominal 11.1V output through a standard DC 2.1mm power jack. Ideal for powering projects, robots, and portable electronic...

SKU: SF-TOL-08639 | Brand: SparkFun

A USB-A to 5.5 × 2.1 mm barrel jack adapter cable for powering development boards and small devices from any USB port. Centre-positive polarity, delivering up to 5 V at 500 mA (per USB specification). Specifications ...

SKU: AF-369 | Brand: Adafruit

If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy! There is a 2.1mm DC plug on one end, and a screw terminal block on the other. The termi...

SKU: AF-449 | Brand: Adafruit

This 8×AA battery holder provides a portable 12V power source by connecting 8 AA batteries end-to-end in series. It delivers approximately 12VDC with alkaline cells (9.6V with NiMH rechargeables) and supports up to 2A...

SKU: PH-106133 | Brand: PiHut

The Power Bank KeepAlive (USB-C) prevents power banks from automatically shutting off when connected to low-power devices. It uses a 555 timer circuit to pulse a small amount of current through the USB-C port, keeping...