Power & Batteries

SKU: AF-2998 | Brand: Adafruit

Do you want your cup to runneth over with USB ports? Do you want it to also be filled with the sweet, sweet nectar of an on-off switch? If the answer to either of those questions is yes - or "I never really thought...

SKU: AF-727 | Brand: Adafruit

A slim 3×AAA battery holder with a built-in on/off switch and JST 2-pin connector. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeab...

SKU: AF-658 | Brand: Adafruit

This 5V 10A Switching Power Supply delivers up to 50W of stable DC power, making it ideal for driving LED strips, motors, CNC projects, and other power-hungry 5V devices. It accepts both 110V and 220V AC input, so it ...

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: AF-5856 | Brand: Adafruit

A compact 5 V, 0.6 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 monocrystal...

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-DFR0969 | Brand: DFRobot

A dual-slot 18650 battery holder with built-in charging and regulated power outputs, perfect for powering microcontrollers, sensors, and portable electronics projects. Simply install two 18650 lithium batteries and us...

SKU: DF-FIT0814 | Brand: DFRobot

A compact, multi-function USB tester with a 1.44" TFT LCD colour display. It monitors voltage, current, power, capacity, charging protocol, and cable resistance in real time, with support for fast-charge protocol dete...

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: 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-3785 | Brand: Adafruit

This isolated PoE splitter takes a unified Power over Ethernet signal from a single RJ-45 cable and separates it into data (Ethernet) and regulated 5V DC power via a Micro USB plug. It works with any 802.3af-capable r...

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: 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: 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: 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...