Issue is at some point this “became a requirement” but for 2 years sunsynks were installed by master installers without the ats, without island mode and always had a permanent bond in place. No issues. Regulations then changed, they updated software and added the island mode feature, and then...
Something like this could work - or 2x any 370W panel with a OCV 40V or thereabouts.
https://www.sustainable.co.za/collections/solar-panels/products/canadian-solar-hiku-375w-super-high-power-mono-perc-solar-panel
Gets you to around 750W. Out of interest - if you angled them correctly - you'll...
Couple of points - you mention short periods of peak at 6kW - and thats in Summer...- so I'd say it's much easier to trip (ie go over 6kW) than you think. If it's a long term investment, and panels are in the mix there are other important things to consider - I'll list 4...
Sunsynk is a...
They are poked/damaged - probably because of either to high current draw, or to low DOD (Discharge level) - deep cycle batteries have no BMS, so nothing to control charge/discharge rates, and DOD - and unless you add additional hardware shunts and monitors (which costs more than replacing them)...
Long thread on powerforum . co. za about them - as mentioned there - there are more than 20 variants of this on the local market - Vision/Gen2/Mecer etc etc - 180ah, 200ah, 220ah - older ones used pouch cells inside, not that great, the newer ones uses prismatic cells. There is a massive...