BMS & power electronics
HP-271A · 5S,9S,13S,17S · 55A · Hardware battery protection board
Hardware battery protection board · E-bikes and scooters. Confirm cell chemistry, port arrangement and the required current configuration before sampling.
Hardware battery protection boardTechnical overview
| Catalog reference | HP-271A |
|---|---|
| Protection architecture | Hardware battery protection board |
| Listed applications | E-bikes and scooters |
| Dimensions | 150 × 60 × 14 mm |
| Series cell configuration | 5S,9S,13S,17S |
| Charge / discharge ports | Common or separate ports · select configuration |
| Maximum continuous charge current | 55A |
| Maximum continuous operating current | 55A |
| Listed discharge protection current · confirm setting | 45A (adjustable) |
| Cell overvoltage protection options | 4.20V 4.25V 3.85V · chemistry mapping to confirm |
| Cell undervoltage protection options | 2.50V 2.75V 2.3 · chemistry mapping to confirm |
| Listed functions | No balancing; temperature control |
| Quiescent current per cell | 25 µA |
| Selection checks | The listed protection current is no higher than the maximum continuous operating current. Confirm the trip setting and delay for the selected configuration. The source associates 3.85V with LiFePO4 and omits a unit on one undervoltage option. Chemistry-to-threshold mapping is unverified; do not use these reference values to program a BMS. Confirm cell chemistry and calibrated thresholds. |
Series reference values. Final selection, ratings and documentation are confirmed for the chosen configuration.
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