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Thought this would be a simple question to answer, but after an hour on this site and another hour reading the controller manual, a clear answer hasn't been found. I'm installing solar on my rv. A single 48V 400W solar panel connects to a SmartSolar mppt 75/15 then to a single 12v 280Ah lifepo battery. Will there be an issue programming the mppt to step down the 48v solar to charge the 12v battery? And not fry the it.. Any input appreciated.
That's exactly what it's for. Up to 75vDC (this is a hard limit, so make sure the VOC of your panel is a good 5-10% below 75v) on the PV input, down to 12v or 24v on the battery output - that should have been fairly clear in the manual, which one were you reading?
Okay, you're good then. I'm not sure I said anything different than is in the Introduction section of the manual, though... that's why I asked which manual you were reading, I figured you must have been looking at a different one.
