Key misconceptions include:
- ‘Grade A Guarantees Perfection’: Even top-tier cells require proper BMS, torque, and thermal management. Always inspect and test upon arrival.
- ‘100Ah Label = 100Ah in All Conditions’: Capacity varies with discharge rate and temperature. Bench-test cells under real-world conditions.
- ‘Drop-in Replacement for Lead-Acid’: LiFePO4 needs adjusted charge profiles and protections. Upgrade chargers if necessary.
- ‘Parallel Strings Fix Imbalance’: Parallel connections mask mismatches temporarily. Start with matched cells and mirrored configurations.
- ‘Storage is Set-and-Forget’: Shelf life degrades with temperature/charge. Monitor OCV periodically and refresh charge as needed.
Address these by validating specs, documenting test data, and adhering to manufacturer guidelines.
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