Compact Battery Retrofit – 12kW / 24kWh System with Expansion & Backup

This high-capacity retrofit system is designed to operate alongside existing grid-connected solar. No changes are required to the existing panels or the inverter. It adds storage, whole-house backup, and future-ready options.

Components:
• 12kW Sigenergy hybrid inverter (10-year warranty)
• 24kWh usable lithium battery, modular & expandable (10-year warranty)
• Online monitoring via Sigenergy app
• Backup capable: Full whole-house backup supported 
• Supports up to 22kW of additional solar input
• Optional 12kW DC EV charger available (additional cost)

Flexible & Scalable:
• Expandable with more batteries/inverters
• Scales to larger hybrid or full off-grid systems

💰 Fully installed price (after battery rebate): $17,000–$20,000
Indicative only – final quote after inspection.

📞 0400 092 621 for system check & quoting