First and foremost, I'm looking for reliability. If I can do this at a low cost then great, but I don't want to buy something cheap and not be able to trust it.
My setup is 8x Sinopoly 200Ah 3.2v cells set up in 2P4S to make a 400Ah 12.8v battery.
I have a Magnum 2000w inverter that powers a...