How can wholesale buyers evaluate LiFePO4 battery vendors to ensure quality and reliability?
Vendor due diligence should focus on verifiable data and operational rigor:Documentation:Valid UL/UN certificates with traceable file numbers.Detailed datasheets specifying test conditions (temperature, C-rate).Cell traceability (lot numbers) and quality certifications (ISO 9001/IATF 16949).Factory Audits:Process controls for cell binning (capacity/IR variance ≤2%).Pilot-run samples tested for capacity retention and aging.Third-Party Validation:Independent lab reports (e.g., Intertek, TÜV) for cycle...