Fox ESS Launches CQ6 HV Battery to Enhance Residential Energy Storage Performance

 As Australia accelerates toward electrification and energy independence, battery technology is evolving rapidly to meet the demands of modern households and businesses. Fox ESS has officially unveiled its new CQ6 High Voltage (HV) Storage Battery, designed to deliver higher capacity, faster financial returns, and simpler installation for Australian conditions.

At Climate Green Melbourne, we closely track advancements in battery storage to ensure our customers benefit from the latest, rebate-ready technologies. The launch of the Fox ESS CQ6 HV Battery marks a significant step forward for homes and businesses looking to maximise solar self-consumption and reduce reliance on the grid.

A High-Density Battery Designed for Australian Homes

Launched in late December, the Fox ESS CQ6 HV Battery introduces a dense, modular design capable of delivering up to 48 kWh in a single compact stack using eight modules. This capacity places it at the upper eligibility threshold of the Federal Cheaper Home Batteries Program, making it particularly attractive for:

  • Larger residential homes

  • Multi-dwelling properties

  • Small to medium commercial sites

  • Homes planning future electrification (EVs, heat pumps, induction cooktops)

By storing more of your solar energy onsite, households can significantly cut evening and peak-rate electricity costs.

Designed for Faster Payback and Higher Efficiency

Performance is at the core of the CQ6 design.

The battery offers:

  • Over 95% round-trip efficiency

  • 100% Depth of Discharge (DoD)

This means homeowners can access virtually all the stored energy without sacrificing battery health. Higher usable capacity directly translates into:

  • Better solar utilisation

  • Reduced grid imports

  • Faster return on investment

For households facing rising electricity tariffs and reducing feed-in rates, the CQ6 provides a powerful way to extract more value from every kilowatt-hour generated.

Simpler, Faster Installation

Fox ESS has also prioritised installer efficiency and flexibility.

The CQ6 features a compact footprint and modular architecture, allowing installers to:

  • Reduce labour time by an estimated 1–2 hours per installation

  • Fit the system into tight spaces

  • Adapt installations for urban homes, regional properties, and light industrial sites

At Climate Green, faster installation also means lower labour costs and quicker system commissioning for our customers.

Built for Scale and Broad Compatibility

Each CQ6 module delivers 5.99 kWh, with configurations ranging from:

  • 11.98 kWh (2 modules)

  • Up to 83.86 kWh per stack

When paired with the Fox ESS H3 Plus inverter, the system can scale even further:

  • Up to three stacks

  • Total capacity of 251.58 kWh

The CQ6 integrates seamlessly across the Fox ESS inverter ecosystem, including:

  • H1-G2 series

  • KH and HA series

  • H3 and H3 Plus models

This makes it suitable for both new solar installations and future system expansions.

Supporting Australia’s Clean Energy Transition

John Grimes, CEO of the Smart Energy Council, highlighted the importance of the CQ6 at a pivotal time for Australia’s energy future:

“The CQ6 is a game-changer for Australia’s clean energy transition. Its high density and efficiency, along with modular scalability, make it perfect for homes and businesses aiming to maximise solar self-consumption and reduce reliance on the grid.”

Ready for Evolving Energy Policies and Programs

The Fox ESS CQ6 has been designed with future energy policy in mind, aligning with:

  • Updates to the Federal Cheaper Home Batteries Program

  • The upcoming Solar Sharer Offer launching 1 July 2026

Under the Solar Sharer Offer, retailers in NSW, South-East Queensland, and South Australia will be required to provide at least three hours of free daytime electricity. High-capacity batteries like the CQ6 allow households to:

  • Absorb free daytime energy

  • Store it efficiently

  • Use it during peak pricing periods

The CQ6 also supports Virtual Power Plant (VPP) participation and is compatible with platforms such as Amber, Evergen, and Synergy, enabling households to generate additional value from their stored energy.

A Strong Battery Option for Australian Conditions

Fox ESS continues to expand globally, but its Australian product lineup is already well-established and tailored for local conditions. The CQ6 builds on this foundation by delivering:

  • High-density storage

  • Modular scalability

  • Strong safety standards

  • High efficiency

  • Policy and rebate alignment

For households navigating changing tariffs, reducing incentives, and increasing electrification, the CQ6 offers a future-ready energy storage solution.

Why Install Fox ESS CQ6 with Climate Green Melbourne?

At Climate Green, we provide end-to-end battery solutions, including:

  • System design and sizing

  • Clean Energy Council (CEC)–compliant installation

  • Rebate eligibility checks and paperwork

  • VEU and Solar Victoria guidance

  • Ongoing support and after-sales care

We install Fox ESS systems across Melbourne and regional Victoria, including Geelong, Bendigo, Ballarat, Somerville, Kew, Greensborough, and surrounding suburbs.




Frequently Asked Questions (FAQs)

Is the Fox ESS CQ6 eligible for government rebates?

Yes. The CQ6 is designed to align with the Federal Cheaper Home Batteries Program and other applicable state-based incentives, subject to eligibility criteria.

Can the CQ6 be installed in stages?

Yes. Its modular design allows homeowners to start with a smaller capacity and expand later as energy needs grow.

Is the CQ6 suitable for homes with EVs or heat pumps?

Absolutely. The high capacity and scalability make it ideal for homes transitioning to all-electric living.

Does the CQ6 work during blackouts?

When paired with compatible inverters and backup configurations, the CQ6 can provide backup power during outages.

Can Climate Green manage the full installation and rebate process?

Yes. We handle system design, installation, compliance, and rebate documentation from start to finish.

Get a Free Quote for the Fox ESS CQ6 Battery

If you’re considering upgrading your solar system with high-capacity battery storage, the Fox ESS CQ6 offers a powerful, future-proof solution.

📞 1300 001 690
📧 info@climategreen.com.au
🌐 www.climategreen.com.au

Speak to Climate Green Melbourne today and take the next step toward smarter, more independent energy storage.

Location: Melbourne VIC, Australia

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