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Case Study: Car Battery Supply for a police fleet in the Caribbean

Source:Case / Time:2026-09-18

Car Battery for A police fleet in the Caribbean

A police fleet came to us with a car battery programme for the Caribbean. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • Warranty claims traced back to a single lot
  • A supplier who changed material without saying so
  • A specification nobody had written down

Car Battery case study

What was specified

PartCar Battery
ClientA police fleet
Marketthe Caribbean
Volume20,000 pieces across 2 specifications
Base materialBrass
Sampling rounds3
Delivery window10 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around Brass and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Car Battery production run

Result

  • 20,000 pieces delivered inside the 10-week window.
  • Unit cost held within 1.5% of the original quotation.
  • Inspection-related rejection stayed under 1.5%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Keep one accountable owner on both sides. Most delays come from hand-offs, not from machines.

Planning something similar?

Tell us the model, the fitment and the quantity and we will hold a production slot for you.

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