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WELCOME TO R&J BATTERIES & FILTER HQ

Filter HQ, a division of R&J Batteries, specializes in batteries, filtration, and lubricants for automotive, commercial, industrial, agricultural, transport, forestry, and marine applications.

Our experienced team is committed to delivering outstanding service and expert advice. We supply high-quality batteries, accessories, oils, and more to meet diverse customer needs.

As one of Northland’s largest local oil importers, we offer cost-effective filtration and lubrication packages that simplify ordering and improve service efficiency.

Based in Whangarei, we proudly service customers from Cape Reinga to Auckland each week. Contact our friendly team today for all your power and lubrication solutions.

We're dedicated to bringing you quality, reliable product at the best possible price.

We stand behind every product we sell. Check out our Product Range for more information.

We have a wider range of batteries than ever before at a even better price.

Free battery testing in store.

We have the largest stock of oil in Northland.

Free delivery for the wider Northland Region from Cape to Warkworth Weekly.

Filter HQ stock a complete range of high-quality, non-toxic Chemz aerosols, made in New Zealand and approved by MPI & AsureQuality.

Filter HQ are proud to be the Northland distributor of Caltex Lubricants.

Go longer between oil changes with Caltex.

Ensure safe and clean water in your home with our domestic water filtration systems, replacement UV bulbs, and anolyte tank sanitiser

R&J Batteries Opens New Branch in Whangārei, Continuing a Proud Legacy

R&J Batteries is excited to announce the opening of its new Whangārei branch on 1 April 2026, marking the 30th location in its growing New Zealand network. This expansion is more than just a new store—it carries forward the trusted legacy of Filter HQ, a well-respected family business known for supplying quality filters, oils, and batteries across Northland. Filter HQ, owned by Lance Johnston and Rowena Humphreys since 2022, has built strong community ties. Following Lance’s

R&J Batteries Expands OPTIMA Battery Distribution in Australia and New Zealand

R&J Batteries is thrilled to announce the expansion of its distribution network for OPTIMA batteries across Australia and New Zealand. This move strengthens a partnership with Clarios, the global leader behind OPTIMA’s advanced energy storage technology, which has been flourishing since 2014. The expansion means more customers will gain access to OPTIMA’s cutting-edge batteries known for their outstanding performance and reliability. OPTIMA batteries are instantly recognizabl

R&J Batteries Opens New Branch in Whangārei, Continuing a Proud Legacy

R&J Batteries Expands OPTIMA Battery Distribution in Australia and New Zealand

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