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Folks, I am down to the last items with a long awaited battery bank. I have now 3 fully configured 4S batteries (280 AH each). :eek: Putting them in parallel, using 0 GA wire to connect them. (I was going for 4 batteries, but one has Gremlins, and also space in limited.) :alien: :cry: So ...

Have not been able to find an answer to this, so sorry if it exists. Just completing my first battery build. Getting ready to close up the case, and all of a sudden the voltage reading at the terminals is way way off. Wiring sequence is: Battery- --> shuntB- --> shuntP- --> B- on BMS -->P-...

I do not see this particular problem in any thread so here goes! I just received my bench top power supply. I put all of my cells in Parallel to start out, and things seemed to go fine. I was charging at 3.4v and about 10.4A Charging was taking place as my starting voltages on the cells was...

Hello again. I have started my journey on building a 4s1p LIFEPO4 battery. I am at the stage where I have drawn down the energy in the cells using a 12 volt off-road light, and I am now trying to recharge, using a 12 volt power supply and a buck convert to charge individual cells. So here is...

On November 30, I ordered 4 X 280 AH cells. I have been sweating delivery, hoping that everything was going well. Well, darn they arrived about an hour ago. So, 7 weeks from date of order roughly, I have pictures of the box, packing, and the cells. I now have to put them away for some weeks as...

Hey everyone, Relatively new here, and after discussing and listening for a while, I think I have a design in mind for my Fifth Wheel trailer. I originally posted this in another forum, and was gently prompted to use this space. So here we go. I have attached a schematic and would appreciate...

Hey everyone, Relatively new here, and after discussing and listening for a while, I think I have a design in mind for my Fifth Wheel trailer. I have attached a schematic and would appreciate any and all constructive feedback. Likely I will try to do the battery and the Charger first, then...

OK so newb here, with aspirations of.... Anyway, I have a fifth wheel trailer. It uses a 50 amp converter. I have a Champion Generator to use when off grid. (30 amp but capable of paralleling for 50) I want to add Solar, but maybe not until spring or summer of '21. I want to add a LIFEPO4...