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.
DC Barrel Power Jack/Connector (SMD)
SKU: SF-PRT-12748 | Brand: SparkFun
A standard SMD (surface-mount) DC barrel power jack for use with common DC wall adapters. This is the same connector size used on most Arduino boards and many other development platforms. Key Features Surface-Mount...
Out of stock
Coin Cell Battery Holder - 2xCR2032 (Enclosed)
SKU: LB-PRT-12618 | Brand: Little Bird
An enclosed coin cell battery holder for two CR2032 batteries wired in series, delivering up to 6 V output. The holder features a built-in on/off slide switch and two 150 mm (6″) power leads (positive and negative). A...
Out of stock
SparkFun Energy Harvester Breakout - LTC3588
SKU: SF-BOB-09946 | Brand: SparkFun
This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only for harvesting piezoelectric energy, but solar energy as well. There is a bridge rectified ...
Out of stock
Terminal Block BFF Add-On for QT Py and Xiao
SKU: AF-6495 | Brand: Adafruit
This BFF add-on makes it much easier to wire up small QT Py and Xiao projects without juggling loose jumpers. Plug in a compatible board and each pin is brought out to a screw-terminal block, with an extra socket pin ...
Out of stock
Qwiic Power Switch
SKU: SF-PRT-26784 | Brand: SparkFun
This compact Qwiic board lets you switch power to downstream Qwiic devices so high-current modules can be turned off when they are not needed. That can help conserve energy in battery-powered builds using GNSS and oth...
Out of stock
Soft Power Switch - JST 2mm
SKU: SF-PRT-26993 | Brand: SparkFun
This compact power-control board gives battery-powered projects a laptop-style on/off button while still allowing your microcontroller to take part in the shutdown process. A quick press turns the system on, another p...
Out of stock
Soft Power Switch with USB-C
SKU: SF-PRT-27081 | Brand: SparkFun
This board adds a laptop-style power button to your project: a simple press turns the system on, and another press can turn it off cleanly when your microcontroller is involved. If things go wrong, pressing and holdin...
Out of stock
micro:bit USB A to Micro USB Cable - 30cm Black
SKU: DF-FIT0964 | Brand: DFRobot
This official micro:bit-branded USB cable is a short, reliable lead for powering and programming BBC micro:bit development boards. It connects a standard USB-A port on a computer or hub to the Micro USB socket on comp...
Out of stock
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...
Out of stock