How to Audit a Lithium Manganese Battery Factory

A thorough lithium manganese battery factory audit begins by confirming exactly which battery is being assessed. Review product identity, material controls, production inspections, laboratory evidence, and certificates against the specified chemistry, model, and destination market. This matters here because the supplied Vinnic product specification describes alkaline manganese button cells, while the company profile separately identifies manganese dioxide lithium batteries.

Set the Audit Scope First

Establish the chemistry and model under review before using any specification or test record. The Vinnic alkaline manganese button-cell record mentions leakage resistance, a stable voltage level, low self-discharge, and long operating life. These are attributes of that product record and should not be treated as lithium manganese battery specifications.

Application information can help identify relevant models and supporting records. Listed uses for manganese dioxide lithium cells include car key remotes, tire pressure monitoring sensors, smart watches, and smoke or gas alarms. Check that the sample selected for the audit is the model intended for the stated application.

Review Factory Controls and Evidence

The available information identifies three quality-control stages: incoming raw material inspection, production-line inspection, and laboratory sampling and testing. Ask to see the controlled procedures and completed records for the product in scope. The supplied data does not state test methods, sampling frequency, acceptance limits, or lithium-specific process settings, so these need to be confirmed with the factory.

Check Certificate Scope

Evaluate each certificate by its stated coverage rather than assuming it applies to every product. The listed credentials include ISO 9001:2015, IATF 16949:2016, ISO 14001:2015, and UL. The UL entry specifies lithium battery and the United States. The supplied information does not give product scope for the other listed certifications; verify certificate validity and coverage for the facility, product, and market being audited.

Audit Checklist at a Glance

Frequently Asked Questions

Is the supplied product specification for a lithium manganese battery?

No. It covers Vinnic alkaline manganese button cells. The company profile lists manganese dioxide lithium batteries separately, so obtain the correct product documents before assessing lithium-specific requirements.

Which factory inspection stages are mentioned?

The stated stages are incoming raw material inspection, production-line inspection, and laboratory sampling and testing. The supplied information does not include test procedures or pass/fail limits.

Which listed certificate names lithium batteries?

The UL entry identifies lithium battery as the product and the United States as the applicable country. Confirm that the certificate is valid and covers the product and facility being audited.

Practical Audit Recommendations

Base the audit on confirmed product chemistry, relevant certificate coverage, and records for material acceptance, in-process inspection, and laboratory testing. The company profile reports annual production capacity above 1.8 billion units and offers distribution and direct sales. It also states a battery MOQ of 10,000 units and 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. In addition to battery manufacturing, the company has expanded into paper separators, zinc materials, and metal and plastic components. Its profile reports a 170-acre factory area and annual production capacity above 1.8 billion units. Listed certifications include ISO 9001:2015 and IATF 16949:2016.