How to Audit a Lithium Manganese Battery Factory

Auditing a lithium manganese battery factory begins with confirming that the product, manufacturing records, and certificates all refer to the same battery and destination market. This distinction matters for Vinnic: the supplied product specification covers alkaline manganese button cells, while the company profile separately identifies manganese dioxide lithium batteries.

Set the Audit Scope First

Before reviewing production controls, establish the battery chemistry and model being audited. The supplied Vinnic product record describes alkaline manganese button cells and notes features such as leakage resistance, steady voltage, low self-discharge, and long operating life. These are details of that product record and should not be treated as lithium manganese battery specifications.

The company profile lists manganese dioxide lithium cells for applications including car key remotes, tire pressure monitoring sensors, smart watches, and smoke or gas alarms. Use the intended application to identify representative models, then confirm that the records and samples selected for review match those models.

Review Inspection and Test Evidence

The stated quality controls cover three stages: inspection of incoming raw materials, inspection on the production line, and laboratory sampling and testing. For the product within the audit scope, ask to see the relevant controlled procedures and completed records. The supplied information does not specify test methods, sampling rates, acceptance limits, or lithium-specific process parameters, so these should be confirmed with the factory.

Keep product identity visible throughout the review. Check that labels, specifications, inspection reports, and laboratory results identify the correct chemistry and model. Records for alkaline manganese button cells alone do not establish the controls or performance of a manganese dioxide lithium battery.

Check Certificate Scope

Review each credential for its validity and stated coverage rather than assuming that it applies to every product made at the site. The listed certificates include ISO 9001:2015, IATF 16949:2016, ISO 14001:2015, and UL. In the supplied information, the UL entry names lithium battery as the product and the United States as the country. Product scope is not provided for the other listed certifications, so request the applicable certificate details for the facility, battery, and target market.

Audit Checklist at a Glance

Frequently Asked Questions

Is the supplied product specification for a lithium manganese battery?

No. It describes Vinnic alkaline manganese button cells. Manganese dioxide lithium batteries appear separately in the company profile, so confirm the correct product documentation before starting the audit.

What inspection stages does the supplied information identify?

It identifies incoming raw material inspection, production-line inspection, and laboratory sampling and testing. The test procedures, acceptance thresholds, and sampling frequencies are not stated.

Which listed certificate names lithium batteries?

The UL entry specifies lithium battery and the United States. Verify that the certificate remains valid and covers the facility and specific product being audited.

Conclusion

A reliable factory audit should be based on confirmed battery chemistry, product-specific inspection and test evidence, and certificates that cover the intended product and market. The company profile reports annual capacity above 1.8 billion units and lists distribution and direct sales. Its stated battery minimum order quantity is 10,000 units, with a delivery time of 30 days. For technical information or assistance, contact vinnic@chungpak.com.

About the Manufacturer

CHUNG PAK （GUANG DONG）BATTERY INDUSTRIAL CO., LTD was established in 1980 and has expanded from battery manufacturing into paper separators, zinc materials, and metal and plastic components. The company reports a 170-acre factory area and annual production capacity above 1.8 billion units. Its listed certifications include ISO 9001:2015 and IATF 16949:2016.