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.

Master Logo

Featured Products

Fast Charge Qi Charger

MI now has the 10W, fast charge capable, QI wireless charging pad from Enecharger in stock! Click the heading to read more

3500mAh Protected 18650

Xtar now has the 3.5Ah protected LiIon cell available. Power your torch for longer!  Click the heading to read more

Bike LED Lighting Kit

Stay safe and visible at night with this geat LED lighting kit for use on pushbikes and more!. Click the heading for more

Lithium 9V Battery

When you need that extra run-time or "oomph", we recommend the Fanso 9V Lithium battery...  Click the heading for more

Products by Brand


CEC Approved Victron Items


Victron Energy have had 7 new items added to the Australian Clean Energy Council list of compliant Inverters and Power Conversion Equipment. Read More

Understanding Lithium Battery Standards


Within the battery safety industry, some regulations are statutory requirements, while others are guidelines. Developing an understanding of just a small handful of organisations and battery standards will suffice to address well over 90% of potential confusion. Read More

Cadex C8000 Brochures


Cadex have update their information for the C8000 Advanced Battery Analyser Read More

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