Power & Batteries

SKU: AF-4711 | Brand: Adafruit

The AP3429A Buck Converter Breakout steps down 3.4–5.5V input to a stable 3.3V output at up to 1.2A, with 90–95% efficiency. It's ideal for powering 3.3V circuits from LiPo batteries, 3× alkaline cells, or USB power s...

SKU: SF-CAB-15426 | Brand: SparkFun

USB-C is fantastic. What makes this cable even better is that one of the features we love so much about USB-C has been replicated to the USB-A 2.0 plug! These cables have minor, yet genius modifications that allow ...

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

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

SKU: AF-899 | Brand: Adafruit

A compact 6" (approx. 15cm) USB Type-A to Mini-B cable for USB 1.1 and 2.0 connections. Ideal for keeping on the bench when you need a short, tidy cable to connect to Teensy boards, USB LiPo chargers, or other Mini-B ...

SKU: AF-1400 | Brand: Adafruit

The Adafruit Push-button Power Switch Breakout lets you toggle DC power on and off with a simple button press. A latching analogue circuit uses a 3A P-FET to connect or disconnect the input to the output — press once ...

SKU: PL-1145 | Brand: Pololu

This battery holder accommodates 4× AAA batteries in series, providing approximately 6V from alkaline cells or 4.8V from NiMH rechargeables. It features wire leads for connecting to your electronics projects. Key Fea...

SKU: DF-FIT0362 | Brand: DFRobot

This battery holder can hold 3 AA batteries which provides 3.6V rechargeable battery pack with NiMH / NiCd cells or 4.5V battery pack with Alkaline cells. You will be able to power your Arduino with this battery hold...

SKU: SF-CAB-13244 | Brand: SparkFun

A short 150 mm (6″) USB 2.0 Type-A to Micro-B cable, ideal for connecting development boards, chargers, and other devices within compact enclosures where a full-length cable isn't needed. Specifications Connector A...

SKU: AF-259 | Brand: Adafruit

This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a precondi...

SKU: TB-MP3312 | Brand: Little Bird

This 12W switchmode plug pack features manually selectable voltage output (3V, 5V, 6V, 7.5V, 9V, or 12V DC) at up to 1000 mA, plus a built-in USB-A output socket for charging or powering USB devices. It comes with 7 i...

SKU: SF-PRT-12900 | Brand: SparkFun

This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fair since that is what they have been primarily used for. However, with...

SKU: PL-4945 | Brand: Pololu

The Pololu U3V16F12 is a compact switching step-up (boost) voltage regulator that generates a fixed 12V output from input voltages as low as 1.3V (after start-up). It handles continuous input currents up to approximat...

SKU: LB-LR0309-18 | Brand: Little Bird

A single-cell 18650 battery holder with bare wire leads, designed for easy integration of 18650 lithium-ion cells into your electronics projects. Simply drop in a battery and connect the leads — no soldering or connec...

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

A 5-metre length of flexible red EL wire (electroluminescent wire) complete with a battery-powered inverter. EL wire produces a bright, even glow along its entire length – perfect for costumes, props, signage, and dec...

SKU: AF-6323 | Brand: Adafruit

The Adafruit USB Type C CC Resistor Fixer solves a common problem: USB-C devices that won't power or communicate when plugged into another USB-C port. Many devices are missing the two 5.1K CC (Configuration Channel) r...

SKU: DF-FIT0918 | Brand: DFRobot

A compact 4×AA battery holder with a built-in on/off power switch, DC2.1 barrel jack output, and a protective cover. Ideal for powering Arduino, Raspberry Pi, and other microcontroller projects with a portable 6V supp...

SKU: LB-LS4548 | Brand: Little Bird

A standard A to micro-B USB cable, for USB 1.1 or 2.0, but with a twist! Literally! Instead of the cable coming straight out from the connector, there's a right angle bend. We thought this might make a good pair for a...

SKU: LB-LS3685-COOL | Brand: Little Bird

This LED light strip in Cool White is perfect for adding a touch of light and style to your home. It comes with a motion sensor control box that turns the lights on and off automatically, and has three brightness s...

SKU: AF-5038 | Brand: Adafruit

Witty Pi 3 Mini adds a real-time clock (DS3231SN) and intelligent power management to your Raspberry Pi in a compact bonnet/pHAT form factor. It allows you to schedule startup and shutdown times, define complex ON/OFF...

SKU: DF-SEN0291 | Brand: DFRobot

Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A,...