Power & Batteries

SKU: DF-DFR0913 | Brand: DFRobot

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 3.3V, making it easy to interface industrial sensors and PLC outputs with Arduino, Raspberry Pi, and other 3.3V microcontrolle...

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: AF-4654 | Brand: Adafruit

The Adafruit MiniBoost 5V @ 1A is a compact inductor-based boost converter that delivers up to 1 A of regulated 5 V output from a 2–5 V input. About the size of a linear regulator, it's perfect for powering microcontr...

SKU: SF-COM-18375 | Brand: SparkFun

This is a high grade DC Buck converter that inputs 6 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC block is perfect for battery applications (such as SLAs or LFPs) that n...

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,...

SKU: AF-4287 | Brand: Adafruit

A push-fit DC barrel jack adapter that converts a 3.5/1.1 mm DC plug to the standard 5.5/2.1 mm DC barrel jack format. Simply push it onto the smaller plug until it clicks into place — no soldering or tools required. ...

SKU: SF-CAB-15424 | 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 the...

SKU: DF-DFR0568 | Brand: DFRobot

This compact DC-DC buck-boost converter automatically steps voltage up or down to deliver a stable 3.3 V output from a wide 2.5–15 V input range. With a maximum output current of 600 mA and ultra-low 180 µA quiescent ...

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

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

SKU: AF-1349 | Brand: Adafruit

A really tiny portable inverter for EL wire. Powers off of a single AAA 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 hours (o...

SKU: LB-LS0040 | Brand: Little Bird

Power your next project using the Australian Sun with this solar panel. The panel is capable of 3.5 watts in the open sun with a peak power output around 6V at 580-600mA. 6v 3.5w 580-600MA  High convers...

SKU: SS-106990021 | Brand: Seeed Studio

The 5V/3.3V Breadboard Power Supply plugs directly into a standard breadboard and provides regulated 5V or 3.3V power to both rails. It accepts power via either a 7–15V DC barrel jack or a 5V Micro-USB input, giving y...

SKU: AF-2379 | Brand: Adafruit

A USB-A to Micro-B power-only cable with a built-in inline on/off switch. Perfect for powering a Raspberry Pi or any Micro USB device from a USB power supply, with the convenience of a physical power switch — no need ...

SKU: DF-FIT0131 | Brand: DFRobot

A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack. Plug a 9V battery into one end and connect the other to any device with an onboard barrel jack — ideal for powering Arduinos, development...

SKU: AF-2697 | Brand: Adafruit

This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter, or USB battery pack, and the barrel jack end to your device. At 1 met...

SKU: DF-FIT0229 | Brand: DFRobot

This inverter is the most common way to power EL wire because they tend to be cheap and batteries generally last a long time. 2 AA Batteries can power an 2.5m strand of EL Wire for about 8-10 hours.We recomend you us...

SKU: SF-PRT-00119 | Brand: SparkFun

DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter. Datasheets: Datasheet

SKU: SF-PRT-13777 | Brand: SparkFun

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your battery-powered project runni...

SKU: SF-PRT-13126 | Brand: SparkFun

This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain...

SKU: SF-ROB-13063 | Brand: SparkFun

This is a 3 wire slip ring, a remarkably simple electromechanical assembly that allows for electronic signals and power to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, rada...