Add a battery to your existing solar — charge by day, use at night, keep essentials on.

Battery Upgrades for SA Homes — AC-Coupled or DC-Coupled.

Q: Which is better for me — AC or DC-coupled?

If your current inverter is healthy and in warranty, AC-coupled is quick and avoids rewiring. For maximum efficiency, simpler backup and a clean upgrade path, DC-coupled hybrid is ideal.

Q: Can I keep generating solar if the grid goes down?

Yes, with the right battery/inverter and backup wiring we can keep essential circuits on during an outage.

Q: Do GoodWe and Sungrow support both methods?

Yes. Both brands offer hybrid (DC-coupled) and AC-coupled battery options with modular capacity to scale.

Q: How big should my battery be?

Size to evening/night use. Many homes choose 10–13 kWh; larger homes or EV charging often go 20 kWh or more.

Q: Will export limits or phase type affect my upgrade?

We design for SA network rules and your single vs three-phase supply to ensure compliance and performance.

Choose AC-coupled to bolt a battery onto your current inverter, or DC-coupled to replace the inverter with a hybrid model for maximum efficiency and backup options. Then pick your ecosystem: GoodWe or Sungrow.

Book a Site Inspection Help Me Choose Instant Quote Online

1

Pick your connection method

AC-Coupled — add a battery to your existing system

Keep your current solar inverter. We add a battery with its own inverter/charger on the AC side. Great when your existing inverter is healthy and under warranty.

Fast retrofit Minimal PV re-wiring Flexible with brands

DC-Coupled — replace inverter with a Hybrid

Swap your existing inverter for a hybrid inverter and connect panels + battery on the DC side. Best efficiency, simpler backup, and a clean upgrade path.

Higher round-trip efficiency Streamlined backup Battery-ready

2

Choose your inverter + battery brand

GoodWe — Hybrid & AC-coupled options

Lynx battery range • ESA All-in-One • Home & C&I

Sungrow — Hybrid & AC-coupled options

SBR/SBH batteries • Strong monitoring • Backup

We’ll confirm single/three-phase supply, switchboard space and backup circuits during your site inspection.

3

Size your battery

Match to your evening load and desired backup time.

~5 kWh ~10 kWh ~11 kWh ~13 kWh ~20 kWh ~25 kWh ~30 kWh ~35 kWh ~40 kWh

Book a site inspection or get an instant quote.

Pick your system and complete everything right here without leaving the page.

Book a Site Inspection

Book a Site Inspection (SA)

By submitting, you agree to be contacted about your request. Finance subject to approval; T&Cs apply.

Frequently Asked Questions

Clear answers about retrofitting batteries to existing solar in South Australia.

Which is better for me — AC or DC-coupled?

Keep a healthy, in-warranty inverter? AC-coupled is quick and avoids PV rewiring. Planning a long-term upgrade with backup? DC-coupled hybrid gives higher efficiency and simpler backup control.

Can I keep generating solar if the grid goes down?

Yes, with the right battery/inverter and backup wiring. We’ll specify essential circuits (e.g., lights, fridge, modem) during design.

Do GoodWe and Sungrow support both methods?

Yes. Both offer hybrid inverters (DC-coupled) and AC-coupled battery options with modular capacity to scale.

How big should my battery be?

Start from your evening/night use. Many homes choose 10–13 kWh; bigger homes or EV charging often go 20 kWh+.

Will export limits or phase type affect my upgrade?

We design for SA network rules and your single vs three-phase supply to ensure compliance and best performance.

Solar Hybrid Solar + Battery GoodWe Sungrow Instant Quote Book Inspection

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