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I live off grid near the arctic circle. My current system is 12v with 10kwh of lead antimony batteries (5kwh at 50% DoD) with a 2k inverter and a 60amp mppt charge controller. I currently have 800w in panels connected. I'm maxed with the current controller at 12v. I have another 800w of...

18x Renogy 100w panels wired in series 24.3voc per panel 20.4vmp @ 25C voltage temp coefficient -0.28%/C current outside temp +12F/-11C coefficient 0.28x36 = 10.08% panel voltage 22.45v at -11C string voltage 404vdc at -11C also string voltage 434vdc at -40F/-40C which is what I spec'd for as...

Hello, I was looking at LiTime's battery sale. They only ship to lower 48 via UPS. I contacted their CS and they confirmed they cannot ship to Alaska. Looking at UPS/Fedex/USPS websites it's not clear if the batteries can be shipped to AK via ground. I know they cannot be shipped via air...

My 4x 230ah LTCP 12v LiTime batteries finally arrived here in Alaska. I checked each of the batteries when I first unpackaged them and they were all roughly 13.1v. I connected them in series and connected them to my new EG4 3kw 48v all in one unit. Everything worked as expected. I connected...