1300 339 596Request A Quote

30kWh Solar Batteries

A 30kWh battery is a premium energy storage capacity solution designed for large homes, high-usage households, and businesses needing extensive backup power or off-grid capability. It stores enough electricity to power an average Australian house for one to two days, depending on daily usage. At Solar Galaxy, we install high-voltage, lithium ion and lithium iron phosphate systems from leading battery brands in Australia, optimised for battery health, safety, and long battery life. Each battery storage system we install is CEC-approved, fully compatible with solar panels and hybrid inverters, and configured to support energy independence and future energy trading. With the new federal rebate, many Australians are now accessing solar battery prices that make the cost of a 30kWh battery more affordable than ever.

Why Choose a 30kWh Solar Battery

A 30kWh solar battery offers unmatched battery capacity, making it suitable for powering multiple devices, lighting circuits, appliances, and even air conditioning in large homes or small commercial sites. These batteries are ideal when roof space allows for a large solar panel array and energy consumption is high. The systems we install use scalable battery modules, giving customers flexibility to expand. Our solutions support smart monitoring, AC/DC coupling, and real-time app control through your inverter. With the right battery size, Solar Galaxy ensures each system delivers the best deal for your goals, whether you’re focused on savings, backup, or environmental impact.

Why Choose a 30kWh Solar Battery

30kWh Solar Battery Specifications

Every 30kWh battery system installed by Solar Galaxy is tailored for both performance and practicality. Understanding its specifications helps you compare options, evaluate system design, and select the most suitable solution based on your usage, load profile, and budget.

Understanding the full technical and practical details of a 30kWh solar battery system helps in making a confident investment. Below, we outline the major benefits, features, and best-fit applications for these high-capacity solutions tailored to both residential and commercial needs.

Key Benefits of Our 30kWh Battery Solutions

  • Substantial storage capacity for high energy usage
  • Optimised for grid-connected or off-grid applications
  • Supports hybrid inverters, AC or DC setups
  • Uses advanced lithium ion or lithium iron phosphate technology
  • Comes with strong warranty protections and long battery life
  • Flexible battery modules to scale up or down
  • Configurable for Virtual Power Plant participation
  • Ensures compliance with all CEC and installation standards
  • Suitable for residential and commercial properties

Best Applications for a 30kWh Battery System

  • Large homes with high electricity and power requirements
  • Multi-phase business systems requiring robust backup and load balancing
  • Off-grid or semi-grid-connected properties in regional Australia
  • Households wanting to cover night-time usage entirely from solar batteries
  • Properties with sufficient roof space to support a large solar panel array

Saving Millions, Planting Billions

1

Rated Warranty

50,000

Tons CO2 Reduction

50,000,000

Generated In Savings

200,000,000

Trees Planted

Which Solar Battery Size Is Right for You?

Choosing the right solar battery size depends on your daily energy use, solar system size, and whether you want backup during outages or just peak-shaving. Explore our most popular battery sizes below to find the best fit for your home or business:

Personalised, Localised - Trusted

We’re a Family, Just Like Yours

Dedicated, personalised support from start to finish—we’re with you every step of the way.

Proudly Australian, Authentically Local

Locally owned and operated, powering every corner of Australia.

Quality Installations, No Compromises

Your peace of mind is our priority—top-tier installations with a clear, step-by-step process.

Support That Lasts A Lifetime

Our commitment doesn’t end with installation. We’re here for the long run, even ten years from now.

Compare Our Battery Brands

We offer a curated selection of leading battery brands known for their efficiency, safety features, smart controls, and long cycle life. These brands are compliant with Australian standards and eligible for government rebates.

FAQs About 30kWh Solar Batteries

Got Questions About 30kWh Solar Batteries? We’ve Got Answers!

Depending on your location in Australia, you typically need between 20–30 solar panels (8–12 kW system) to charge a 30kWh battery fully in one day. Solar Galaxy will provide an exact example based on your site and usage.

Both are types of solar batteries. Lithium ion batteries are compact and energy-dense, while lithium iron phosphate (LiFePO4) offers longer battery life, better thermal stability, and enhanced safety. We install both types, depending on your priorities.

If your goal is full autonomy or heavy backup, you may require more than one battery. However, a single 30kWh battery often meets the needs of large homes. We’ll help assess how many batteries your usage justifies.

The new federal rebate provides ~$372 per kWh, totalling over $11,000 off for a 30kWh system. This is applied upfront by Solar Galaxy during your installation, no need for additional paperwork.

Yes. Many small to mid-sized businesses use 30kWh systems for energy stability, cost reduction, and grid independence. It’s a scalable solution for office buildings, shops, and warehouses.

Battery size, chemistry, storage capacity, battery health management, warranty, and compatibility with your solar system and inverter are all crucial. We evaluate all these factors for you.

Pricing

6.6kw
Perfect for smaller homes
From $50 / month
Up-to
$
2000
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now
13.2kw Solar
Best for mid-sized homes
From $75 / month
Up-to
$
4000
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now
15kW +
Ideal for energy-hungry homes
From $90 / month
Up-to
$
5000+
Savings
  • Tier-1 N-Type High Performance Panels
  • Lifetime support included!
  • Battery and EV compatible for future upgrades!
  • Free Monitoring to track your savings!
  • Fast-track installation
Unlock Savings Now

Ready to install a 30kWh solar battery? Request a Quote today with Solar Galaxy. Contact Us

1300 339 596