Unfortunately, consumer batteries are no longer made in Australia.
I came across this site through a friend. They are a small Australian owned business that employ several staff running this business.
They supplies Alkaline batteries, Zinc Chloride batteries, Silver Oxide batteries, Lithium batteries, Ni-MH batteries in AA batteries, AAA batteries, AAAA batteries, 9Volt batteries, C batteries, D batteries, 6Volt batteries, Watch batteries, Coin, Button and Photo camera batteries, in bulk or carded styles, ISO9001/9002 quality standards are used.
Australian owned and trading since the mid 1990’s, Battery importers work with wholesalers, distributors, bulk buyers and retailers. Their testimonials page speaks as to the quality of the service: http://www.batteryimporter.com.au