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What to check before adding a battery to an existing Perth solar system
Take a free compatibility check for your existing solar system
Use 80-90% of your solar instead of exporting it for low feed-in rates
Keep essentials running during grid outages with backup power
Earn ~$100-180/year from Synergy Battery Rewards (10-13kWh)
The battery connects to the solar panels before the inverter. It is the most efficient option at 98%, but it needs a compatible hybrid inverter.
The battery has its own inverter and connects to your home circuit. It works with any existing solar system, at a slightly lower efficiency of 94%.
Battery size should match your evening and overnight use, plus the morning load before solar starts generating.
2-3 person household, 15-20 kWh/day usage
3-4 person household, 25-35 kWh/day usage
5+ person household, 40+ kWh/day usage
Answer eight quick questions about your solar system and home, and we'll match you with compatible batteries and SAA-accredited Perth installers.
Free quotes • No obligation • Perth specialists only