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REC Q Series BMS 16S Slave


Stand-alone unit REC BMS R and Q series with integrated CAN communication protocol can manage from 4 to 16 cells (in series). It is also compatible with Victron Cerbo installations for integration in PV systems.

Available on backorder | 2-4 weeks


BMS for 24V systems, WS500 compatible.  Note:  The Q Series Standalone unit can be substituted if out of stock

Includes a single temperature sensor cable and current shunt pigtail with connectors
(Multiple QBMS units can be combined with the
REC Q Master for use in higher voltage systems).


Our REC BMS Q series with integrated CAN communication
protocol can manage up to 16 cells in series.

  • from 5 to 16 in-series connected cells per unit
  • single cell voltage measurement (0.1 – 5.0 V, resolution 1 mV)
  • single cell – under/over voltage protection
  • single cell internal resistance measurement
  • SOC and SOH calculation
  • over temperature protection (up to 3 temperature sensors)
  • under temperature charging protection
  • passive cell balancing up to 0.9 A per cell
  • shunt current measurement (resolution 19 mA @ ± 500 A)
  • galvanically isolated user defined multi-purpose digital input/output
  • reduced 1 s measuring interval
  • balancing transistors defect check @ restart
  • EEPROM memory data corruption check @ restart
  • cell’s voltage RMS voltage measurement
  • self calibration @ restart
  • BMS shutdown @ 0.98 x minimum cell disconnect threshold
  • Ah counting

RS – 485 communication:

  • galvanically isolated RS-485 communication
  • fully compatible with REC LCD touch display and PC user interface BMS Master control

Galvanically Isolated CAN:

  • galvanically isolated CAN
  • 100, 125, 250, 500, 1 MHz bit-rate selection
  • message programming
  • disable option
Weight 1.5 kg
Dimensions 20 × 20 × 10 cm

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User Manual


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SKU: REC Q BMS-Slave Categories: , Tags: ,