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Hello, So I tried to install this dimmer switch into my van build ( https://www.amazon.com/Wall-mounted-Dimmer-Switch-Brightness-Controller/dp/B07L3MT41G/ref=sr_1_3?crid=32RUL3867HRA4&dchild=1&keywords=12+volt+dimmer+light+switch&qid=1617659357&sprefix=12+volt+dimmer+%2Caps%2C233&sr=8-3 ) But I...

So I put my vehicle in storage for a couple of months. I thought by turning the “master” off switch to off so no power was flowing through my system. Plus disconnecting the solar panels, so they wouldn’t be flowing unused energy into the bus bar, that would be enough for my system to be “off” in...

Hello! I am trying to install one of these into my van. Which I believe has a traditional alternator. Am I supposed to run a second cable from the car battery to the solar battery for the bvs port? Or because it’s traditional I don’t need to do that? Thanks!!!

Hello, I am wondering how to size my system amps wise, so I know how big to make my negative and positive bus bars? I know on https://www.mobile-solarpower.com/simplified-400-watt-fewer-wires-and-alternator-charging.html he uses a 250 amp bus bar, but that doesn't seem like enough is I am using...

Hello! I have a Renogy 3000W 12V PURE SINE WAVE INVERTER CHARGER, and I am running it to a 300 amp/hour battery setup. What size fuse should I have in amps for this inverter? Please and thank you!

Hello, I was wondering what size wire to use to connect my batteries? I have 3 100 amph renogy lithium batteries that are going to be connected in parallel next to each other. I assume I only need a 2/0 wire but I am not really sure. Thanks!

Hello, just a quick question! What size wire should be used to wire a Maxxair fan to the fuse box? Also how am I to determine wire sizes in the future? Thanks!!

Hello, so I am working on a van conversion and I’ve made a post about this earlier as well talking about what is in my system. But I wasn’t really getting the question I had answered. If my car as mostly 12 volt appliances and my batteries and my inverter are all labeled 12 volt. Then when I am...

Hello, I have two hqst 175 watt solar panels and I have the renogy 50 amp dc-dc charge controller, along with a inverter/charger 3000w from renogy as well. I am not sure if I should be connecting my panels in parallel or series? I assume I should be leaving everything at 12v since that’s what my...

Hello, I have a very heavy inverter/charger combo and some heavy batteries as well to go into my van conversion. I am trying to properly counter balance everything. Is it a bad idea to have one side of the van be batteries and one side be the inverter? I remember hearing somewhere you want...

Hello, I am trying to find a good and simple to understand battery monitor (also hopefully not too pricey like the Victron one). I looked at the different kinds but can't understand what makes one better than the next. Thanks!

I am thinking about getting this possibly in place of a Renogy RCC40RVRE-G1 40 amp MPPT Solar Charge Controller, I have a smart isolator that I wanted to hook up to my car battery, and I have 350 watts of HQST mono panels on the top of my van. Would this work well as a controller for my isolator...