Power & Batteries

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: PI-COM0211 | Brand: Pimoroni

Take control of your voltage! These regulators will let you produce a reliable constant supply voltage for your circuits. Whether you're working from an unregulated supply or just need a precise voltage for your micro...

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: 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: PL-2884 | Brand: Pololu

The Pololu D24V150F9 is a high-current synchronous step-down (buck) voltage regulator that converts input voltages up to 40V down to a fixed 9V output. With up to 15 A available output current and typical efficiencies...

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...

SKU: AF-993 | Brand: Adafruit

This handy USB extension cable will make it easy for you to extend your USB cable when it won't reach. The connectors are gold plated for years of reliability. We use these handy cables all over our factory and homes....

SKU: AF-1197 | Brand: Adafruit

A compact dual-connector USB cable with a USB-A plug on one end and both Mini-B and Micro-B connectors on the other. The Micro-B connector carries data and power, while the Mini-B connector provides power only — handy...

SKU: SF-COM-15093 | Brand: SparkFun

Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with...

SKU: AF-1350 | Brand: Adafruit

A really tiny portable inverter for EL wire. Powers off of a single CR2032 coin battery (not included!), it can drive up to 50cm / 20 inches of our high-brightness EL wire or 10cm x 1cm long piece of EL tape for 3 ...

SKU: AF-3969 | Brand: Adafruit

Make your next custom USB cable a breeze with a USB Mini B Female Socket to 5-pin Terminal Block. If you need to connect to a device with a mini USB plug or maybe make your own USB OTG device or custom cable ...