Power & Batteries
Browse our full range of power and battery products for your electronics projects. From lithium and coin cell batteries to DC-DC converters, voltage regulators, solar panels, and bench power supplies — we stock everything you need to keep your builds running.
Whether you're powering a classroom STEM kit, a weekend maker project, or a professional prototype, you'll find reliable power solutions with fast shipping across Australia.
Magnetic USB micro B Plug Tip
SKU: AF-5523 | Brand: Adafruit
This is a magnetic USB micro b plug! They pair with the Black Woven USB A or Type-C to Type-C Cable with Magnetic Tip . Plug your microUSB power (or data!) cable into one end, then insert the little magnetic nub into ...
Delivered by Wed 1 Jul
USB to 5.5mm/2.1mm DC Booster Cable - 9V or 12V Output
SKU: AF-5457 | Brand: Adafruit
This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc), and it will give you a higher DC voltage! It's a handy way to power...
Delivered by Wed 1 Jul
USB-A Plug to USB-C Plug Adapter
SKU: AF-5329 | Brand: Adafruit
If your computer has a USB A port still, and you want a small, cable-less way to connect our modern USB C devices, this little dongle will do the job nicely. It's quite simple - you've got your USB A plug on one side,...
Delivered by Wed 1 Jul
4-Channel Level Converter (12V to 3.3V)
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...
Delivered by Mon 22 Jun
Witty Pi 3 Mini - RTC & Power Management for Raspberry Pi
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...
Delivered by Thu 11 Jun
Adafruit MiniBoost 5V @ 1A - TPS61023
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...
Delivered by Wed 1 Jul
Buck Converter - 6-20V to 5V/3A
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...
Delivered by Mon 22 Jun
Gravity: I2C Digital Wattmeter
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,...
Delivered by Thu 11 Jun
3.5mm / 1.1mm to 5.5mm / 2.1mm DC Jack Adapter
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. ...
Delivered by Wed 1 Jul
Reversible USB A to C Cable - 2m
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...
Delivered by Thu 11 Jun
DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA)
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 ...
Delivered by Thu 11 Jun
EL Wire 1xAAA Mini Inverter
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...
Delivered by Thu 11 Jun
USB Power Only Cable with Switch - A/MicroB
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 ...
Delivered by Wed 1 Jul
9V to Barrel Jack Adapter
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...
Delivered by Mon 22 Jun
USB to 2.1mm Male Barrel Jack Cable [22AWG 1 meter]
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...
Delivered by Wed 1 Jul
EL Wire 2xAA Pocket Inverter
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...
Delivered by Mon 22 Jun
DC Barrel Power Jack/Connector
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
Delivered by Mon 22 Jun
SparkFun Battery Babysitter - LiPo Battery Manager
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...
Delivered by Thu 11 Jun
EL wire 2xAA pocket inverter
SKU: AF-317 | Brand: Adafruit
A small, portable inverter for EL wire. Powers off of 2 AA batteries (not included!), it can drive 1 to 8 feet (about 2.5m) of our high-brightness EL wire for 10 hours. There is a button for selecting steady/bli...
Delivered by Wed 1 Jul
DC Barrel Jack Plug - Female
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...
Delivered by Mon 22 Jun