Hi, just bought a 150w panel and a smart solar mmpt 75/15 for my boat but got 2 questions.
Got a battery switch (1,2,1+2) to be able to also charge the starter battery (if need be) at shore with my CTEK M300 charger. Can I connect the MMPT parallel with the charger on the battery switch to get the same functionality off shore and would I be able to turn the switch from “house “ to “starter “ w/o frying the mmpt?
I will connect my 3 usb power ports (with voltage meter) as (the only) loads to the mmpt, do I need to include a switch as well, or can they be “always on”? The manual stated that all loads need to be “turned off” during installation (loads being step 1).