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Factory Audit Framework

For OEM and private-label buyers, a factory audit is the most reliable way to verify a battery manufacturer's production quality and claims. This framework outlines the key areas to evaluate.

Audit Checklist

1. Certifications

  • IATF 16949 (automotive quality)
  • ISO 9001 (quality management)
  • ISO 45001 / OHSAS 18001 (occupational health & safety)
  • Verify certificates are current and cover the relevant production lines.

2. Production Infrastructure

  • Factory area and layout
  • Number of automated production lines
  • Annual and daily production capacity
  • Whether capacity matches your volume requirements

3. Quality Control Process

  • Incoming material inspection
  • In-process testing
  • Final product testing (CCA, capacity, RC)
  • Batch traceability and documentation

4. Documentation Package

  • Batch-specific test data
  • Certificate of Analysis (COA) equivalent for batteries
  • Dimensional and terminal verification reports
  • Shipping and warranty documentation

Red Flags to Watch

  • Certifications that cannot be independently verified
  • No batch traceability or test documentation
  • Unwillingness to share production process details
  • Capacity claims that do not match physical infrastructure

Chengguang Power Tech Co., Ltd.

Dingwei Battery is manufactured by Chengguang Power Tech Co., Ltd. (founded 2002), with a 200,000 m² factory, 18 automated production lines, and exports to 70+ countries. Certified to IATF 16949, ISO 9001, ISO 45001, and OHSAS 18001.

Source & Purchase

Ready to source? Request an OEM or private-label quote on the main website to discuss your specification, target market and annual volume with our team.