Power & Batteries

SKU: EF-EF10131 | Brand: ElecFreaks

An 80 cm white Micro-USB cable suitable for powering and programming the BBC micro:bit and other Micro-USB devices. The 4-core shielded cable supports both charging (up to 2A) and data transfer simultaneously. Key Fe...

SKU: EF-EF08182 | Brand: ElecFreaks

This kit contains a micro:bit board, a USB cable and a battery holder. This is a basic kit for using micro:bit. Micro:bit board is launched by BBC which aims to help children at or above 7 grade to learn programming b...

SKU: DF-FIT0619 | Brand: DFRobot

This battery holder connects 3× AA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector with a 15cm wire lead, making it compatible with DFRobot boards and other devi...

SKU: SF-PRT-15700 | Brand: SparkFun

A 4-pin right-angle ATX connector designed to mate with the standard 4-pin peripheral power connector commonly found on ATX power supplies. Through-hole (PTH) mounting for secure PCB attachment. Specifications Pins...

SKU: LB-LS1812 | Brand: Little Bird

Sick of your batteries all floating around in a drawer or box, and then when you come to use them, most are already flat.This had box keeps all your batteries standing upright and has a battery test to show if the bat...

SKU: SF-CAB-15428 | Brand: SparkFun

A USB 2.0 Type-A to Micro-B cable with reversible connectors on both ends. No more fumbling with orientation — both the USB-A and Micro-B plugs insert correctly either way up, bringing USB-C convenience to your Micro-...

SKU: SF-PRT-15217 | Brand: SparkFun

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge connector to USB-C and prov...

SKU: SF-COM-15208 | Brand: SparkFun

The SparkFun Buck-Boost Converter is a handy power accessory board that allows you to fine tune the amount of power your project receives. This converter can take an input voltage of anywhere from 3-16V which can then...

SKU: AF-4199 | Brand: Adafruit

As technology changes and adapts, so does Adafruit! Rather than the regular USB A, this cable has USB C to USB C plugs!USB C is the latest industry-standard connector for transmitting data and power. Like Lightning an...

SKU: EF-EF03409 | Brand: ElecFreaks

ELECFREAKS Power:bit is a kind of micro:bit extension board with minimum size. It is powered by two 2025 button batteries and carries a buzzer on the board

SKU: DF-FIT0588 | Brand: DFRobot

This is a CE-certified XT90 plug that is mini-sized and takes up less space. The banana plug features a true gold plating and a cross-slot design with a larger contact area that can withstand a constant 40A and peak ...

SKU: DF-DFR0570 | Brand: DFRobot

This is a DC-DC buck-mode power module, with input voltage range 5.5~28V and fixed output voltage/current 3.3V/3A. Its work frequency can reach to 0.5MHz. The module has high conversion and tiny body, convenient to em...

SKU: LB-LR0293-2 | Brand: Little Bird

An 80 cm USB-A to Mini-B 5-pin cable for connecting devices with the standard Mini USB port. Compatible with USB hubs, cameras, MP3 players, LiPo chargers, FTDI programmers, and other Mini-B peripherals. Specificatio...

SKU: AF-3848 | Brand: Adafruit

An isolated Power over Ethernet (PoE) module that extracts power from the Ethernet cable's centre taps and outputs a regulated 5 V at up to 1.8 A. The built-in isolation transformer ensures there is no direct electric...

SKU: AF-3847 | Brand: Adafruit

A compact Power over Ethernet (PoE) module that extracts power from the Ethernet cable's centre taps and outputs a regulated 5 V at up to 1.5 A. Connect the four input wires to the PoE pins on your Ethernet-capable bo...

SKU: AF-3788 | Brand: Adafruit

A 4×AA battery holder with a built-in on/off switch and a 13cm (5″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides convenient portable power with easy switching for development boards and ...

SKU: DF-SEN0229 | Brand: DFRobot

This is a water turbine generator, 5V DC output, which can be directly used as Arduino power supply. Eco-friendly energy, you can make it work together with our lithium battery charger, working as a backup energy. Th...

SKU: AF-3624 | Brand: Adafruit

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and Current Meter we carry but can  be used with a wide range of voltages...

SKU: SF-TOL-14457 | Brand: SparkFun

The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of rechargeable batteries, thereby eliminating the need to own multiple chargers. Capable of auto...

SKU: AF-3650 | Brand: Adafruit

The Adafruit INA219 FeatherWing is a high-side current and voltage sensor that stacks onto any Feather development board. Using the INA219B chip over I2C, it measures both DC current draw and bus voltage with 1% preci...