Power & Batteries

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: LB-C-25 | Brand: Little Bird

A compact 25cm USB-A to USB-C cable for charging and data transfer. The short length keeps your desk tidy, reduces cable clutter, and is perfect for portable power banks or tight workspaces. Key Features 25cm Lengt...

SKU: LB-CTOB-UNO | Brand: Little Bird

This USB-C to USB-B cable connects your Arduino Uno (and other USB-B devices) to modern laptops and computers equipped with USB-C ports. At 1 metre long, it provides a convenient length for desktop programming and pro...

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: LB-LR0335-LB | Brand: Little Bird

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

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: TB-XC4502 | Brand: Little Bird

This compact TP4056-based module charges a single lithium cell from a 5V USB supply. With charge state LEDs and both mini-USB and solder tab inputs, it's an easy way to add rechargeable battery capability to your proj...

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...