To verify a '6,000 cycles' claim, buyers should request standardized test protocols and third-party certifications. Credible suppliers provide data adhering to recognized standards like IEC 62620, UL 1973, and UL 9540/9540A. Procurement documents should specify acceptance criteria, such as cycling at 25°C with defined DoD, C-rates, and capacity retention thresholds. Accelerated aging tests at higher...