winston WB-LYP40AHA vs sinopoly SP-LFP40AHA

[ltosolini]

on the paper they look identical; I also red on this same forum that people swapped one for the other.
I wonder if you have any experience to share to help me with this choice

 

[jonescg]

My understanding of the addition of Yttrium was that it helped circumvent a patent...

 

[DVDRW]

Winston promises 7000 cycles vs Sinopoly 3000 cycles. Is it true, don't know.
I have both in my offgrid system two years now. Time will tell.