Quality Control - Ensuring Every Battery Is Safe, Consistent, and Reliable
We always regard product quality as the lifeblood of our company. Through a comprehensive quality control system, we ensure that every battery leaving our factory is stable, reliable, consistently performing, and safe and compliant.
We only work with ISO-certified upstream material suppliers with proven delivery capabilities to ensure stable performance and traceability of core materials such as cathodes, electrolytes, and separators.
All incoming materials undergo IQC (Incoming Quality Control) inspections, encompassing comprehensive inspections of appearance, dimensions, electrical properties, and batch consistency, to prevent unqualified raw materials from entering the production process.
From mixing, coating, and rolling to slitting, lamination, and injection, SPC data collection points are implemented at every step of the process. Automated testing equipment is used to monitor fluctuations in key parameters in real time to ensure consistency.
Multiple sets of automated testing equipment are used to individually test battery cells for capacity, internal resistance, voltage, and other parameters. Substandard products are immediately rejected to prevent them from entering downstream processes.
Protection board functionality, circuit response time, overcharge and over-discharge protection, and current protection are individually tested. Structural reliability, including housing dimensions, bonding strength, and weld integrity, is also verified.
Each batch of products undergoes a burn-in test of at least 24 hours before shipment. This includes reliability verification in cyclic charge and discharge conditions, as well as in high-temperature and high-humidity environments, to eliminate potential failure risks.
OQC (Outgoing Quality Control) strictly adheres to spot check standards, encompassing inspections of appearance, electrical properties, labeling, and packaging. A barcode system is integrated to enable full product traceability.