If you have everything wired correctly, you will want to check the BMS thoroughly to make sure it's functioning properly. Especially the high and low voltage disconnects.I did! There is a micro mark in the black plastic and same in white. Reworded everything all it lights up.
Now to charge them up and install.
I don't follow. Do you mean the black terminal was marked as positive? I don't see any markings on the cells. If it's there it must be tiny.I did! There is a micro mark in the black plastic and same in white.
I am attaching a photo of my EVE cells and as you can see the polarity is clearly marked.