Forum Discussion

dave17352's avatar
dave17352
Explorer
Jun 27, 2019

Inverter in repurposed generator locatoin with agm batteries

I am thinking about upgrading my solar some and this is my plan. I will locate my 2 agm deep cycles, 30 amp mppt solar controller and 2000 watt inverter all in the old generator location that I re...
marcsbigfoot20b's avatar
marcsbigfoot20b
Explorer
Jun 29, 2019
The best part of MPPT and series panels is that 3 100 watt panels in series will be around ~57volts.
In parallel around ~18 volts.

Now throw in major overcast skies.

MPPT maybe half panel output......let’s say 27 volts.
PWM parallel half output .... maybe 9 volts.

MPPT will at least charge some amps.
PWM at 9 volts = nothing.

Even 3 amps is better than nothing for X hours.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,283 PostsLatest Activity: Jul 17, 2025