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Thanks everyone, my electronics knowledge is still based in the 80s/90s, this is "new" technology to me and I understand now. Can't wait for my cells to finish initial top balance/charging so I can complete assembly and start to use the battery. So grateful to all for your guidance!

Hi folks, Got my 4S 120A 12V BMS, and upon inspection it appears the center of the three main cables on both sides aren't really soldered to anything? I mean, there's no conductor on the circuit board at those locations, photos of both sides provided for inspection. Am I wrong, if so how do...

Ahhh, I see -- wire up the BMS like normal for the normal 12V RV circuits, just use the SSR for the inverter. (Obviously disconnect the battery when running off inverter so it doesn't loop with the battery trying to charge itself. I could use a 120A BMS then so my 70amp charger can maintain the...

To use an SSR, not sure I follow Will's setup entirely. A simple circuit diagram would be a big help. I'm thinking the positive and negative of battery go directly (through SSR and fuse/breaker) to loads, then the SSR breaks the circuit when the BMS disconnects (BMS black and battery positive...

Thanks, I didn't think about the headroom required, can you tell I'm a newbie? I will need to look into this, I'm hoping my current 350A shunt for capacity monitoring could still be used while the inverter is operating in this fashion. Appreciate your advice!

I want to build a similar milk crate system like the one that Will recently YouTube'd with 280AH cells to support a 3000W Inverter. Is there a BMS with sufficient capacity (250A) that has a low-temp charging cutoff, or even an add-on low-temp charging cutoff? Maybe there's a way to...