Deye Accessories
MesPal NK-BMS-16S100A-02
16S / 100 A low-voltage BMS
A BMS board for residential LFP storage: 100 A continuous current, 80 mA passive balancing, eight temperature sensors and CAN/RS485.
Battery configuration16S
Continuous charge / discharge current100 A
Supply voltage16–65 V
Balancing80 mA
MesPal
Technical specifications
Key factory specifications from the manufacturer’s brochure.
Measurement and balancing
| Battery configuration | 16S |
|---|---|
| Cell voltage measurement range | 1–5 V at −10…+50 °C |
| Voltage measurement accuracy | ±5 mV |
| Cell voltage sampling interval | ≤100 ms |
| Balancing | Passive, up to 80 mA |
| Temperature measurement range | −50…+125 °C |
| Temperature accuracy | ≤±2 °C (NTC) |
| Temperature sampling interval | ≤1000 ms |
| Temperature channels | 8 |
| Current measurement range | −200…+200 A |
| Current measurement accuracy | ≤±0.5 A within −30…+30 A; ≤±1 A outside that range |
| Current sampling interval | ≤250 ms |
| Battery voltage measurement range | 16–65 V |
| Pack voltage sampling interval | ≤100 ms |
| Pack voltage accuracy | <1% FSR |
Supply, management and communication
| Supply voltage | 16–65 V |
|---|---|
| Standby current consumption | <400 µA |
| Operating current consumption | <55 mA |
| Activation | Power-on or charging activation |
| Inverter charging activation | 30–65 V |
| Continuous charge / discharge current | 100 A; temperature rise ≤70 °C at 25 °C ambient |
| Parallel operation | Up to 16 groups |
| Communication interfaces | 2 × RS485; 1 × CAN; dry contact |
| Circuit breaker detection | Not provided |
Construction and operation
| Operating temperature | −30…+60 °C |
|---|---|
| Storage temperature | −30…+85 °C |
| Relative humidity | 5–90%, non-condensing |
Sourcing and delivery under one contract
The BMS monitors cell voltage, current and temperature, estimates SOC/SOH and manages battery protection. It provides configurable current thresholds, sleep/wake modes, status indication and LCD interface. The board requires professional integration; cell compatibility, thermal behaviour and inverter protocol must be validated in the complete system.
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