Power & Batteries

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: DF-FIT0601 | Brand: DFRobot

A lightweight, flexible monocrystalline silicon solar panel with an integrated 5 V voltage regulator and USB Type-A output. The PET-laminated design weighs just 90 g and includes mounting holes and copper clasps for a...

SKU: AF-1131 | Brand: Adafruit

A 500 mm extension cable with a JST-PH 2-pin socket on one end and a matching plug on the other. The colour-coded wires make it easy to verify correct polarity. Compatible with JST-PH terminated battery packs includin...

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: SF-PRT-10218 | Brand: SparkFun

A standard 9V alkaline battery (Rayovac). Suitable for powering Arduino boards, breadboard projects, and other electronics — use with a voltage regulator to get a stable 5V output. Key Features 9V Alkaline – Standa...

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: DF-DFR1202 | Brand: DFRobot

A high-efficiency DC-DC step-down (buck) converter that accepts 6–24 V input and delivers a stable 5 V output at up to 16 A. With over 90% conversion efficiency at typical loads and output ripple below 20 mV, it provi...

SKU: AF-6091 | Brand: Adafruit

The Adafruit bq25185 Charger is a versatile LiPo/LiIon/LiFePO4 charging board that supports USB, DC, and solar power input. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, offering multi-chemistry...

SKU: DF-KIT0197 | Brand: DFRobot

Harnessing the abundant sources of energy in the natural environment, such as mechanical, thermal, solar, and radio frequency energy, can provide a continuous flow of power to devices. The DFM8001 Ambient Energy Harve...

SKU: WS-24166 | Brand: Waveshare

The 6W Monocrystalline Solar Panel from Waveshare delivers 5.5V output through high-efficiency monocrystalline silicon cells, encased in toughened glass for durability and weather resistance. It features both Micro US...

SKU: TB-MP3146 | Brand: Little Bird

Introducing our new range of Ultra-slim Switchmode AC adaptors. They are extremely light, sleek and compact; enough to snugly and neatly fit side by side on a power board, no more wasted AC outlets! Incorporates a ...

SKU: AF-5705 | Brand: Adafruit

Witty Pi is an add-on board that adds real time clock and power management to your Raspberry Pi. It can define your Raspberry Pi’s ON/OFF sequence and significantly reduce energy use. Witty Pi 4 L3V7 is the new member...

SKU: SF-COM-21256 | Brand: SparkFun

The SparkFun BabyBuck Regulator Breakout delivers a regulated 5V output from a 6–32V input in an ultra-compact 0.63" × 0.52" form factor. Based on the AP63357 synchronous buck converter from Diodes Inc., it provides u...

SKU: AF-5368 | Brand: Adafruit

A 5 V, 1.2 W solar panel from Voltaic Systems, built with ETFE (Ethylene Tetrafluoroethylene) construction for superior durability over standard PET or laminate panels. Featuring 10 high-efficiency monocrystalline Sun...

SKU: DF-DFR0940 | Brand: DFRobot

This power filter board for Raspberry Pi integrates solid capacitors, ceramic capacitors, and tantalum capacitors in a parallel hybrid filtering configuration. It filters low, mid, and high-frequency power noise from ...

SKU: DF-FIT0844 | Brand: DFRobot

This PTC (Positive Temperature Coefficient) Heating Element is a self-regulating thermostatic ceramic heater that automatically maintains a constant surface temperature without external temperature controllers or sens...

SKU: AF-4920 | Brand: Adafruit

This little buck converter based on the TPS62827 is super handy, taking up to 5.5V input and providing a 3.3V output with up to 2A current. It's great for supplying power to hungry 3.3V voltage circuits from a range o...

SKU: AF-4779 | Brand: Adafruit

This compact battery holder connects 3× AA batteries in series, providing 3.3–4.5V output — a similar range to lithium-ion/polymer batteries. It features a built-in on/off switch and a genuine JST-PH 2-pin connector w...