Power Management
Find the right power management solution for your project — from DC-DC buck and boost converters to battery chargers, BMS boards, and voltage regulators. Whether you're building a portable device, solar setup, or robotics project, we stock modules to keep your circuits running efficiently.
Ideal for makers, STEM educators, and electronics hobbyists across Australia. We carry coin cell breakouts, switching power supplies, and lithium battery charging boards with fast shipping from our Australian warehouse.
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 2 Nov
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 Mon 2 Nov
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 22 Oct
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 Fri 13 Nov
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 2 Nov
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 2 Nov
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 2 Nov
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 22 Oct
Slip Ring - 3 Wire (10A)
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...
Delivered by Mon 2 Nov
802.3af PoE Output Data Power Splitter - 5/9/12V
SKU: AF-3239 | Brand: Adafruit
This IEEE 802.3af PoE splitter separates power and data from a single PoE Ethernet cable, providing selectable regulated DC output (5V, 9V, or 12V) at up to 1A alongside a standard Ethernet data connection. A DIP swit...
Delivered by Fri 13 Nov
SparkFun Breadboard Power Supply Stick - 5V/3.3V
SKU: SF-PRT-13032 | Brand: SparkFun
A simple breadboard power supply that takes a 6–12 V input and outputs a regulated 5 V or 3.3 V. All headers are at 0.1" pitch for direct insertion into a standard breadboard, with the output pins spaced to power both...
Delivered by Thu 22 Oct
Adafruit Mini Lipo w/Mini-B USB Jack - USB LiIon/LiPoly charger [v1]
SKU: AF-1905 | Brand: Adafruit
The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your batt...
Delivered by Fri 13 Nov
DC-DC Boost Module (0.9-5V)
SKU: DF-FIT0471 | Brand: DFRobot
INTRODUCTION This is a small DC - DC boost module that converts a 0.9 ~ 5v power source to standard 5V, making it capable of supplying power to an Arduino microcontroller and other small ...
Delivered by Thu 22 Oct
5 x AA Battery Holder with 2.1mm DC Jack
SKU: AF-3456 | Brand: Adafruit
This 5×AA battery holder delivers approximately 7.5V from five AA batteries, terminated with a 2.1mm DC barrel plug (centre positive). It provides the ideal voltage for Arduino boards and other development boards with...
Delivered by Thu 22 Oct
DC-DC Step Down Buck Converter (15~24V to 12V/12A)
SKU: DF-DFR1208 | Brand: DFRobot
##Introduction This DC-DC step-down converter module is designed to efficiently reduce a high input voltage (15-24V) to a stable 12V output, supporting up to 12A of current. The module offers high conversion efficienc...
Delivered by Mon 2 Nov
Battery Holder 3xAA with Cover and Switch - JST Connector
SKU: SF-PRT-18769 | Brand: SparkFun
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover as well as an ON/OFF switch that can be used to control power to your project. The ...
Delivered by Thu 22 Oct
5.5/2.1mm DC to Type-C Adapter
SKU: DF-FIT0784 | Brand: DFRobot
A DC 5.5×2.1mm female to USB Type-C male power adapter plug, allowing you to power USB-C devices from a DC barrel jack power supply. Useful for powering Raspberry Pi 4/5, LattePanda, and other USB-C-powered boards fro...
Delivered by Mon 2 Nov
5.5/2.1mm DC to Micro USB Adapter
SKU: DF-FIT0783 | Brand: DFRobot
A DC 5.5×2.1mm female to Micro-USB male power adapter plug, allowing you to power Micro-USB devices from a DC barrel jack power supply. Useful for powering Raspberry Pi, LattePanda, phones, and tablets from existing D...
Delivered by Mon 2 Nov
Nordic nRF-PPK2 - Power Profiler Kit II
SKU: AF-5048 | Brand: Adafruit
The Power Profiler Kit II is a standalone unit, which can measure and optionally supply currents all the way from sub-uA and as high as 1A on all Nordic DKs, in addition to external hardware. As we've featured on EYE ...
Delivered by Fri 13 Nov
Buck/Boost Converter - 8-40V to 12V/3A
SKU: SF-COM-18376 | Brand: SparkFun
An industrial-grade DC buck-boost converter that accepts 8–40V input and delivers a regulated 12V output at up to 3A (36W). Ideal for battery-powered systems where input voltage varies — such as SLA or LiFePO4 batteri...
Delivered by Mon 2 Nov