Hello,
I'd like to add a small (~1kW battery inverter/charger 240V ac, single phase, Australia) system to an existing 3kW grid-tied PV system that is working well. I don't want to alter the PV system because "..if it isn't broken, don't fix it."
The reason I'd like a small bettery system is that most of the time when the sun isn't shining, our power usage is below 500W. So an battery inverter would provide the 'first' 500W, then the rest is drawn from the grid. We hardly ever have outages, so this is not really a concern for me.
The only inverters I can find which are low power are Victron (e.g. Multiplus 500VA) (I'm not including ebay / aliexpress) but these don't appear to be able to be safely connected to the house grid (no anti-islanding?) - Or am I missing something when looking at these?.
Has anyone set up a small battery inverter/charger system (can be separate inverter and charger) and are happy to share some suggestions?
Edit: Clarified that I am looking for battery power overnight
I'd like to add a small (~1kW battery inverter/charger 240V ac, single phase, Australia) system to an existing 3kW grid-tied PV system that is working well. I don't want to alter the PV system because "..if it isn't broken, don't fix it."
The reason I'd like a small bettery system is that most of the time when the sun isn't shining, our power usage is below 500W. So an battery inverter would provide the 'first' 500W, then the rest is drawn from the grid. We hardly ever have outages, so this is not really a concern for me.
The only inverters I can find which are low power are Victron (e.g. Multiplus 500VA) (I'm not including ebay / aliexpress) but these don't appear to be able to be safely connected to the house grid (no anti-islanding?) - Or am I missing something when looking at these?.
Has anyone set up a small battery inverter/charger system (can be separate inverter and charger) and are happy to share some suggestions?
Edit: Clarified that I am looking for battery power overnight
Last edited: