How should one test the quality of incoming LiFePO4 prismatic battery cells?

To ensure quality, follow this acceptance protocol for incoming cells:Visual Inspection: Check for bulging, dents, or seal contamination. Lay a straightedge on the can to detect warping.Weight Measurement: Use a calibrated scale to identify outliers in the batch.QR Code Scanning: Log batch, serial numbers, and open-circuit voltage (OCV) to verify traceability.Electrical Checks: Measure OCV after...

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How should buyers test 18650 cell samples before scaling up purchases?

Before committing to large orders, buyers should conduct rigorous sample testing using this protocol:Equipment: Use a battery analyzer with 4-wire measurement, thermal camera/thermocouples, calibrated IR meter (AC 1 kHz and/or DC method), precision scale, calipers, and safety fixtures.Capacity Test: Fully charge cells per the datasheet, rest for 60–120 minutes, then discharge at 0.2C to the...

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