What size d you want?
I installed a POMCube NetZero storrage system late last year. and the lithium battery they use on it seems working great.
Here is the link:
https://www.aliexpress.com/item/POMCube-LFP-Lithium-Ion-Phosphate-Battery-48V50Ah-48V90Ah-for-Home-Energy-Storage/33042057466.html
