Solar battery upgrades for existing systems

If your energy needs have changed or your current battery no longer suits your home, we can assess your system and recommend safe, practical upgrade options.

Talk to us about battery upgrades

Is it time to upgrade your battery?

Battery upgrades aren’t always about faults. Often they’re driven by changes in how a home uses energy.


An upgrade may be worth considering if:


  • Your household energy use has increased


  • Your existing battery capacity is no longer sufficient


  • Your battery is nearing the end of its warranty



  • You want improved or more flexible backup capability


We’ll help confirm whether upgrading makes sense, or whether your current system is still fit for purpose.

Clear advice, not upselling

Battery upgrades need careful compatibility checks to avoid wasted cost or unreliable performance.


Our approach includes:


  • Assessment of your existing battery, inverter, and solar system

  • Clear advice on compatibility and realistic upgrade options

  • Explanation of what can be reused and what cannot

  • Upgrade work completed by our in-house electricians

If upgrading won’t deliver meaningful benefit, we’ll say so and explain why.

Battery upgrade paths we see most often

Every home uses energy a little differently, so we always start with a proper look at your existing system.
From there, common battery upgrade paths can include:

Increasing total storage capacity

Replacing older battery technology with newer systems

Improving blackout backup configuration

Preparing the system for future electrification

What limits battery upgrades?

Battery upgrades are sometimes constrained by:


  • Existing inverter compatibility

  • Switchboard capacity

  • Manufacturer restrictions on mixed systems

  • Available space and compliance requirements

We’ll explain these factors clearly so you understand what’s possible, and what isn’t before any decisions are made.

Thinking about a broader upgrade?

Battery upgrades often make the most sense when you are already planning changes to your solar system or inverter. We can look at the whole setup and suggest what’s worth doing together.

Talk to us about solar upgrades

Not sure if upgrading your battery is worth it?

We’ll review your setup and explain your options clearly, so you can decide what makes sense for your home.

Book a battery assessment