Power & Batteries

SKU: EF-EF10095 | Brand: ElecFreaks

A 2×AA battery holder designed specifically for the BBC micro:bit. The built-in JST PH connector plugs directly into the micro:bit's battery socket, and the integrated on/off switch with a secure cover provides safe, ...

SKU: AF-4175 | Brand: Adafruit

As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a USB A plug and a USB C socket so your older computer or laptop can catch up to the latest USB Type C.USB C is the latest...

SKU: DF-DFR0571 | Brand: DFRobot

This is a DC-DC buck-mode power module, with input voltage range 8V~28V and fixed output voltage/current 5V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion rate and small size, easy to embed...

SKU: PI-COM1305 | Brand: Pimoroni

A compact 2×AAA battery holder with a built-in power switch and JST connector, compatible with micro:bit and other boards that accept JST battery inputs. This is the same battery holder included in our micro:bit acces...

SKU: PL-2858 | Brand: Pololu

The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36 V. They are synchronous switching regulators (also called switched-mode power supplies (SMPS) or DC...

SKU: AF-2164 | Brand: Adafruit

The classic L7805 linear voltage regulator in a TO-220 package, capable of delivering a clean, regulated 5.0 V output (±2%) from an input voltage of 7–35 V. With built-in current limiting and thermal shutdown protecti...

SKU: SF-PRT-12083 | Brand: SparkFun

This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF swi...

SKU: LB-LS4126 | Brand: Little Bird

A 4-slot smart charger for 18650 and other cylindrical Li-ion rechargeable batteries. Each slot operates independently, so you can charge batteries of different sizes and charge levels simultaneously. USB powered for ...

SKU: AF-6106 | Brand: Adafruit

The Adafruit bq25185 with 5V Boost is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 5V boost converter. It is designed for projects that need a stable 5V su...

SKU: LB-LS5548 | Brand: Little Bird

Introducing our Compact DC-DC Voltage Converter Module, a powerful and efficient solution for boosting your power supply needs. This tiny powerhouse is designed to elevate a low 1-5V input to a stable 5V output, perfe...

SKU: DF-FIT0610 | Brand: DFRobot

This enclosed battery holder takes 3× AA batteries in series, providing approximately 4.5V from alkaline cells or 3.6V from NiMH/NiCd rechargeables. It features a built-in on/off switch and a sliding, removable cover ...

SKU: AF-4193 | Brand: Adafruit

A slim 2×AA battery holder with a built-in on/off switch and genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, microcontrollers, and p...

SKU: LB-LR0335-FG | Brand: Little Bird

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

SKU: TB-SB2417 | Brand: Little Bird

A six-pack of 9V alkaline batteries from Eclipse. Made to the same specifications as premium brands at a more affordable price point — ideal for stocking up for electronics projects, Arduino boards, and general use. ...

SKU: AF-2166 | Brand: Adafruit

A low-dropout (LDO) 3.3 V linear voltage regulator based on the ST L4931 in a TO-92 package. With just 0.4 V dropout, it delivers a clean, regulated 3.3 V output from input voltages as low as 3.7 V — well suited for s...

SKU: AF-737 | Brand: Adafruit

This power distribution bus is machined from a single piece of solid brass, providing a reliable way to distribute power across multiple wires in a project. Seven screw-terminal holes accept wires of 20 AWG or larger ...

SKU: DF-FIT0056 | Brand: DFRobot

This is the most common A to B Male/Male type peripheral USB 2.0 cable for arduino.  It is compatible with most Arduino boardssuch as Arduino Mega, Romeo, Arduino Duemilanove. Often used for printers and other...

SKU: LB-LS7860 | Brand: Little Bird

A USB-C to Micro-USB cable for connecting Micro-USB development boards and devices to modern USB-C laptops and chargers. Ideal for programming boards like the micro:bit, Raspberry Pi Pico, Teensy 4.1, Circuit Playgrou...

SKU: AF-4217 | Brand: Adafruit

This round panel-mount extension cable adds a USB Micro-B port to your project enclosure without the need for custom-shaped cutouts. The 30 mm diameter adapter fits a standard round hole — drill it with a common hole ...

SKU: LB-C-W | Brand: Little Bird

A versatile 1m USB-A to USB-C cable for everyday charging and data transfer. The standard length provides flexibility for desk setups, reaching from wall chargers, or connecting devices across your workspace. Key Fea...