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I just bought a MPP1012-LV hybrid to use on my van conversion. My solar salesman tells me it needs to be UL 458 certified. I can't find any certifications in the users manual. Does anyone know if it is?

Not a complete beginner but new enough. I installed an all-in-one charge controller/inverter (LV1012, 400Ah lithium battery) that has solar (400W) and utility inputs that work beautifully, but has but no input for the van (Sprinter 3500, 2015) battery. The system software also allows switching...

I have a 206Ah SOK battery with a MPPSolar 12v all-in-one inverter/charger in a Mercedes Sprinter van that I installed last fall. I used the battery to charge small-draw appliances for short periods without any power source to make sure everything worked (it did). There was a small drop in...