Arduino Power Supplies and Voltage Regulators
Find reliable power supplies and voltage regulators for your Arduino projects. Browse 9V adapters, barrel jack connectors, battery holders, DC-DC converters, and regulated switching power supplies to keep your builds running smoothly.
Whether you're a hobbyist, student, or educator working on STEM and maker projects, stable power delivery is essential. We stock a range of options from simple battery snaps to lithium cells and LiPo batteries.
Shop Arduino power solutions with fast shipping across Australia.
9V Snap Connector
SKU: SF-PRT-00091 | Brand: SparkFun
A classic 9V battery snap connector terminated with a 2-pin polarised Molex connector. Ideal for quick-connect battery power in breadboard and prototyping setups. Key Features Molex Terminated – 2-pin polarised con...
Delivered by Tue 18 Aug
5V 2A (2000mA) switching power supply - UL Listed
SKU: AF-276 | Brand: Adafruit
This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for power...
Delivered by Mon 31 Aug
2xAAA Battery Holder with Cover and Power Switch
SKU: DF-FIT0625 | Brand: DFRobot
This compact battery holder is a handy portable power pack for small electronics and maker projects. It holds two AAA batteries and connects them in series, making it suitable for projects that need a simple removable...
Delivered by Tue 18 Aug
Breadboard Power Supply Stick 5V/3.3V with Headers
SKU: SF-PRT-21297 | Brand: SparkFun
This compact regulator board makes it easy to power breadboard projects from a 6-12V supply. It provides a selectable regulated output of either 5V or 3.3V, making it handy for quick prototyping with common microcontr...
Delivered by Tue 18 Aug
2 x 18650 Battery Holder with DC 2.1mm Jack
SKU: DF-FIT0538 | Brand: DFRobot
This battery holder takes two 18650 lithium cells and connects them internally in series for a standard 7.4 V output. It is a simple way to power electronics projects from common 18650 cells, such as those used in lap...
Delivered by Tue 18 Aug
Adafruit USB-C Power Delivery Dummy Breakout - I2C or Fixed
SKU: AF-5807 | Brand: Adafruit
This breakout is built around the HUSB238 USB PD sink chip, making it easy to negotiate power from a USB Type-C Power Delivery source without soldering tiny resistors. It plugs into a USB-C cable and uses the CC lines...
Delivered by Mon 31 Aug
