I have delt with one promarine
inverter /
charger (may not have been the exact same one) and the control of it is horrible. you can't separate the charger on with inverter on. so either both are on, or off. IE you are plugged into the
dock, and the
dock loses
power, it switches to inverter and kills your
battery really fast. you should be able to have a charger on but the inverter in off mode.
we ended up having to install a 2nd charger and just leave the inverter / charger off because it was a big issue at that dock location. which also means none of the outlets on board
work either.. since it shuts off the pasthrough when the charger / inverter was set to off. pretty much a gongshow. and should never be on a
boat. you want separate switches for charger on / off and inverter on / off
I love the magnums. easy to use. built in
battery monitor (with add on BMK)
I like the promariner ProNauticP chargers though.