Power & Batteries

SKU: AF-2788 | Brand: Adafruit

A DC barrel jack adapter cable that converts a 3.5/1.3 mm or 3.8/1.1 mm DC plug to the standard 5.5/2.1 mm DC barrel jack format. Internal spring contacts accommodate outer diameters from 3.5 mm to 3.8 mm, making it v...

SKU: TB-ZV1634 | Brand: Little Bird

The MC78T12 is a positive linear voltage regulator in a TO-220 package, providing a fixed 12 V output at up to 3 A. It accepts an input voltage range of 12–35 V and includes built-in thermal overload and short-circuit...

SKU: PL-2098 | Brand: Pololu

The Pololu D24V3F5 is a compact buck (step-down) switching voltage regulator that converts input voltages up to 42 V down to a fixed 5 V output. With a typical efficiency of 80–90%, it significantly outperforms linear...

SKU: AF-380 | Brand: Adafruit

These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, etc. One battery per order (you'll want one battery per cufflink or pe...

SKU: TB-PP2008 | Brand: Little Bird

 Lighter plug has 5A 3AG fast blow fuse and red power indicator LED. Specifications  | Cable Length  |  1.5m | Diameter  |  2.1mm

SKU: AF-448 | Brand: Adafruit

A 12V EL (electroluminescent) wire and tape inverter for fixed installations and larger EL projects. Unlike pocket-sized 2×AA inverters, this brick-style inverter runs from a 12V DC input — connect it to a wall adapte...

SKU: AF-6029 | Brand: Adafruit

Everyone has that "good charger" in the house, which seems to get your phone from 4% to 100% in record time. But it's a bit of a mystery, isn't it? Why does one charger work great while another doesn't seem to budge a...

SKU: LB-COINBOARD | Brand: Little Bird

In compliance with Australian laws addressing the potential hazards associated with coin cell batteries, especially for small children, we're thrilled to present our innovative alternative – the Micro-USB Powered C...

SKU: DF-DFR0865 | Brand: DFRobot

Designed for Jetson Nano Developer Kit, this advanced uninterruptible Power supply UPS module provides up to 5.1V 8000mA backup power for the Jetson Nano board. With intelligent power management, the module supports m...

SKU: AF-5153 | Brand: Adafruit

A 1-metre USB A to USB C cable with a woven pink and purple fabric cover. The braided outer sheath provides durability and a distinctive look, making it a great choice when cables are visible on a desk or workspace. ...

SKU: EC-ACS33721L | Brand: Elecrow

You may need this item if you want to power your Arduino with a 3.7V LiPo battery to make it become a portable device. It made up of a “power cell” and “fuel gauge”, it allows you to connect a 3.7V single cell Lithium...

SKU: EF-EF03061 | Brand: ElecFreaks

This is a DC to DC step-down module based on LM2596 3A Step-Down Voltage Regulator. The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down(buck) swi...

SKU: OW-COCP22BK | Brand: Little Bird

A compact 2200mAh portable powerbank for recharging smartphones, cameras, wearable devices, and other USB-powered gadgets on the go. The small form factor makes it easy to carry in a bag or attach to a keychain via th...

SKU: FT-LEVEL | Brand: Freetronics

Many of the most interesting sensors and devices are only available in 3.3V or even lower voltage versions, which can be a problem if you want to connect them to a 5V microcontroller such as an Arduino. This module...

SKU: MB-99830 | Brand: Makeblock

Description:Powers the other blocks. Connect and press to power on. Press and hold for 3 seconds to power off. Description Figure: Features:The magnetic design at the back of Neuron blocks makes you can simp...

SKU: TB-SZ2043 | Brand: Little Bird

An inline mini blade fuse holder with an integrated failure indicator lamp that lights up when the fuse blows. This makes it easy to identify a blown fuse, especially in crowded or hard-to-reach wiring locations. The ...

SKU: PI-COM1303 | Brand: Pimoroni

DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These have a 5.5mm jack, with a 2.1mm center pole diameter. Datasheets: Datasheet

SKU: LB-BK-00081 | Brand: Little Bird

Running a Paper Circuits Class or need lots of batteries for E-Textiles and Wearables?  This is our best-priced Coin Cell Battery.CR2032 Button Cell Battery - Great for use with the Lilypad Switch Battery Holder....

SKU: AF-2849 | Brand: Adafruit

This is a handy little non-rechargeable CR2016 Lithium Coin Cell Battery!Sitting at 20mm diameter and is 1.6mm thick it's small but packs a punch with a nominal voltage output of 3V and a capacity of 90mAh. For other ...

SKU: AF-2850 | Brand: Adafruit

The CR2450 is a high-capacity 3V lithium coin cell battery, ideal for powering microcontroller projects, sensors, key fobs, and other small electronics that need reliable, long-lasting power. With a generous 610mAh c...