Most reacted threads

I am looking for one of the previous versions of the weize 100ah lifepo4. I already have 3 and purchased another. Unfortunately, the new version does not play nice with the old. The old is 8 50AH cells, the new is 4 100ah cells.

There seems to be some disagreement on what the actual max input for an EPever controller is. Does anyone know for fact? There is not disagreement that Panel Voc < SCC Vmax. Power & Current is where is gets fuzzy.... Is it 1.5x the rated charge power? or Panel Isc < SCC rated charge...

Has anyone had any luck buying batteries on ebay from overseas sellers? There is a Weize 100AH for less than $200. Seems too good to be true, no seller history and only two items for sale. I do know there is a good bit of markup on stuff like this but I am not sure I want to take a risk.

First post. I am learning more about LifePO4 everyday and am hoping someone can provide some advise. I bought 3 Weize 100ah LifePO4 batteries last month. Connected in parallel and all is well. Charge and discharge with almost identical current. I bought a fourth one two weeks ago and it is way...