The battery cell production tolerance is very important. The diagrams show the possible scenarios for different companies.
DIAGRAM 1 (top): As seen even the “A-Grade” products of some manufacturers (green-line) are below the B-Grade of the TOP manufacturers (blue-line).
DIAGRAM 2 (bellow): Because of a strict quality and continued product development the Thundersky Winston (TSWB) company is the A-positive grade manufacturer. All products over-pass the specification and all products are in the A grade class. —– with TSWB cells there are no B-Grade of C-grade products