Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

Featured Products

Laptop Charger and Charging Hub

Universal 5 output Smart charger for a wide variety of the latest laptops and more Click the heading to read more

Drypower Security Battery

12V 7Ah Security focused battery designed to keep you safer for longer  Click the heading to read more

Works with Arlo

Tenergy rechargeable system for use with the Arlo security camera systems  Click the heading for more

New Battery for Dyson

Check out the new battery compatible with Dyson DC59!  Click the heading for more


2017 Christmas Closure Notification


Advanced notice on the closure dates for the MI offices for the 2017 Christmas period

Read More

Works with Arlo


The Tenergy branded batteries and charger kits have arrived at MI. Check out these Arlo endosed products... Read More

e-Bike Batteries


With e-Bikes gaining in popularity, one of the MI engineers decided to fit one of our Mondia battery kits to his own Bike Read More

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