They have it, Pierre is the Man, purchase it - be sure to change to US dollars, $58, download image, download Belenda Etcker, burn image to a decent sd card, i use 64gig x10, boot pi to it with network cable, register software, email - SolarAssistant <
info@solar-assistant.io> and let them know you have growatt and they will update your card thru network. Let me know if you have any issues, easier to setup with lan connection to the internet, then wifi if needed. The software updates automatically from then on, what brand batteries you have?
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