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We finally made it! We built our 48V photovoltaic system consisting of: 10 x 550W photovoltaic panels (5.5kW nominal) 6kW toroidal inverter 2 x 60A Epever regulators self-built battery with 16 x 280A LiFePO4 cells (about 15kWh) (not) ELerix BMS and BCC board NEEY active balancer launch coils bistable relay grid-inverter management with DIY ATS (contactors) In this video I will summarize everything I did to achieve the long-awaited result: turning on the system and switching off from the grid to the photovoltaic system. There were many difficulties, you will see it in this video that closes (or almost) this playlist! Enjoy! #photovoltaic #offrid #do it yourself #ats #contactors #relays ===== my diagrams always updated (with last update date) ===== https://drive.google.com/drive/folder... ===== the products used in this video ===== for all the products present in the system consult the description of each specific video ===== current settings of charge regulators [ OFF GRID TOGETHER ] ===== OverVolt Disconnect : 55.80 Charging Limit : 54.60 OverVolt Recovery : 54.40 Equalization Volt : 54.10 Bulk : 54.10 Float : 53.60 Bulk Recovery : 53.40 LowVolt Recovery : 51.20 UnderVolt Recovery : 52.10 UnderVolt Alarm : 48.00 LowVolt Disconnect : 48.00 DischargeVolt : 48.00 ===== background music ===== A Night Alone Aviation Hall Book Bag Dexters Decks Do It Like Benson Don't Spoil My Smoothie Dream Team Forget Me Not Jazz Club Sunny Vibes Sunset in Palermo Thinking of you Tunetank - Whiskey Blues The Thought of You By the Fireplace