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I’m using 3x DIY 190ah batteries each with a 4S Overkill Solar BMS. What Cell Cap. Voltages are recommended for 10% up to 100% and everywhere in between? These are my current settings which don’t seem right:

I have 2x 200W panels on my van that were producing around 350W Pmax a few weeks ago (closer to 400W P max in summer). I just noticed now that output is around 200W P max. The V max is the same at around 40V. I cleaned the panels as they were a little dirty, it made a little difference of about...

Anyone know where I can find a battery case in the USA? These ones are quite bulky: I'm looking for one like this but can only find them on Ali Express (I'd like one from a US supplier to get it ASAP).

Hi all, I have 12x 3.2V battery cells. They've been split into 3 separate units of 4 cells in parallel in order to level out out the voltage (since I wasn't planning to use them for a little while). Each battery the 3 batteries has 4 cells with the same SOC, although each battery has a slightly...

Hi All, I have two Victron Orion Smart 12|12 – 30A DC-DC chargers on the way and I'm trying to figure out how to wire them in parallel. Do I essentially just wire them as two stand alone DC-DC chargers running next to each other and have them separately fused? Is there another way to do it? I've...

Hi, I have a noob question. I'm looking for 1 large solar panel to install on a van. Will any work? Or are some designed only to be used on houses? For example, can I use any of these on a van? https://www.ecodirect.com/Biggest-Solar-Panels-s/922.htm?searching=Y&sort=1&cat=922&show=30&page=1

Hi All, I'm putting together a battery that is 12V 570ah (I have 12x 3.2V 190ah cells) and I'd like a power supply to charge/balance and a load to test it. I see the 30V/10A power supply recommended a lot, along with the 150W load tester. Due to the size of my battery, I'm wondering if there...

I want to get 4x 150W Newpowa mono panels for my van (due to size constraints this is my best option). Theoretically I need a 50 amp MPPT. Considering the efficiency of panels and the fact its unlikely I'll ever get an ideal sun angle since they'll be fixed flat to the roof, if they're 70%...

Say I have 3x 12V 100Ah (100 amp BMS) batteries hooked up in parallel to a 3000W inverter pulling a 3000W load. If a BMS activates on just one battery for whatever reason, what happens to the rest of the system seeing as though the 3000W load is now too much for the two remaining batteries...

Hi, I'm having trouble finding in-depth information on the DC to DC battery charger. I have a 180 amp alternator (ProMaster 2500) and I'm wondering if the Renogy 60 amp DC to DC battery charger will work okay? I haven't been able to find specs on exactly how many amps the alternator actually...