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Is it ok to add an a/c charge controller to a solar charge controller + lithium battery system? Also is it possible to add a repurposed laptop charger + mppt solar charger to the same? How about a switch to change the source of the existing solar charge controller to the laptop charger? What...

My camper has the WFCO 8735 converter. The 7 pin is connected to the camper for trickle charging and signal and brakes. Since I will be replacing the Lead Acid battery with Li, I want to disconnect the 7 pin from trickle charging the battery. I do not want to install a DC/DC charge, just want to...

Can I hook up solar power charging (for example Renogy solar kit, MPPT) and shore power charger (for example Progressive Dynamics converter charger) at the same time? I have a small trailer with factory installed WFCO converter and DC distribution panel. Do not need inverter for now. The plan...

I am new here but have been watching a lot of battery videos. Want to get my hands wet by setting up a small backup system, UPS. But to this day I have not been able to find a design for what I think a simple need. Maybe I am making everything too complicated. I have a reef tank and all the...