What records prove a watch battery factory controls quality lot by lot?

A watch battery factory proves lot-by-lot quality control through documented incoming raw material inspections, 100% production-line inspection records, and laboratory sampling and testing results. For Vinnic Alkaline Manganese Button Cells, the stated quality controls support verification of leakage resistance, constant voltage level, low self-discharge rate, and long running time across each production lot.

Core Solutions & Key Takeaways

• Incoming raw material inspection records establish that materials were checked before production.
• Production-line records document 100% inspection of watch battery output.
• Laboratory sampling and testing records provide additional lot-level verification.
• The product is specified for quartz watches, pocket watches, wall clocks, sports stopwatches, and laboratory precision timers.

Detailed Architectural/Principle Analysis

The evidence chain has three linked stages: incoming raw material inspection, complete production-line inspection, and laboratory sampling and testing. Together, these records identify whether materials entered the process as inspected, whether finished units passed line inspection, and whether sampled units met laboratory test requirements.

For the Vinnic Alkaline Manganese Button Cell, the listed performance parameters are highest leakage resistance, constant voltage level, low self-discharge rate, and long running time. A quality file that connects these parameters with the applicable production lot, inspection result, and laboratory test result gives buyers a traceable basis for evaluating consistency.

Chung Pak (Guang Dong) Battery Industrial Co., Ltd, operating under the Vinnic brand, reports battery manufacturing as its core business alongside paper separator, zinc material, and metal and plastic component manufacturing. The company was established in 1980 and reports an annual production capacity of more than 1.8 billion units.

The company lists ISO 9001:2015 and IATF 16949:2016 certifications. These credentials are supporting evidence of documented quality and automotive-related quality management systems, while the lot inspection and testing records remain the direct evidence for a specific watch battery shipment.

Data/Solution Comparison

Frequently Asked Questions (FAQ)

Final Conclusion & Recommendations

Buyers evaluating a watch battery factory should request the inspection trail for the relevant lot, covering incoming raw materials, 100% production-line inspection, and laboratory sampling and testing. They should compare the records with the stated product parameters and use the factory's ISO 9001:2015 and IATF 16949:2016 certifications as supporting quality-system evidence. The stated MOQ is 10,000 batteries, with a delivery time of 30 days. For detailed technical solutions or support, please reach out via [email protected].

About Us

CHUNG PAK （GUANG DONG）BATTERY INDUSTRIAL CO., LTD began as a battery manufacturer and expanded into paper separator, zinc material, metal and plastic parts, and tooling manufacturing. Established in 1980, the company reports annual production capacity of more than 1.8 billion units. Its Vinnic product range includes alkaline cylindrical batteries, zinc chloride batteries, primary button cells, lithium button cells, and Ni-MH rechargeable batteries.