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The c-BMS24 offers compact battery management for up to 24 cells connected in series for up to an approx. 100V max pack voltage depending on cell chemistry.

Despite measuring only 150 x 70 mm, the c-BMS24 is equipped with a powerful dual core processor and state of the art application specific integrated circuit (ASIC), can reach temperature accuracy of ±1 °C and high SOC accuracy.

The c-BMS24 can be configured via the licensed c-BMS CREATOR software. This tool allows battery integrators to create application-specific settings, optimizing battery performance and life.


See all specifications
Power supply: 6-35 V
Range of high voltage measurement: 0 – 120 VDC
Accuracy of high voltage measurement: ±1 VDC
Range of current measurement input Shunt: ±200 mV
Accuracy of current measurement input Shunt: ±0.5 mV -40 – 85 °C
Range of current measurement input (Hall effect sensor): 0.0 – 5.0 V, 0.0 -2.5 V current in, 2.5 V – 5.0 V current out
Accuracy of current measurement input (Hall effect sensor): ±1.25 mV -40 – 85 °C
Standby consumption (sleep mode): <2.5 mW
Active consumption: <2.7 W
Supported CAN communication type: CAN 2.0A/B 11 bit and 29 bit IDs
Supported CAN speeds: 125, 250, 500, 1k kbit/sec
CAN ports: 1 (reference to power supply 6-35V)
External General Purpose I/O’s: 4 GP I/O (Active Low) and 4 inputs
Charger control interfaces: CAN
Number of cells: Up to 24 Cells. Minimum 11 V
Minimum detectable cell voltage: 0 VDC
Maximum detectable cell voltage: 5 VDC
Cell balancing topology: Dissipative
Cell balancing current: 200 mA, at cell voltage 4.2 V
Cell voltage typical sampling time: 100 ms
Accuracy of single cell voltage: ±1.6 mV at 25 °C
Range of Temperature measurements: -40 to +85 °C
Accuracy of cell temperature (NTC): ±1 °C -40 – 85 °C
Patents Granted: ZT 200780048774, EP 0781788.6, US 8.350.529
Temperature sensor channels: Up to 6
Dimension 170 mm x 70 mm x 15 mm, 67 g

Related Products

Configuration software
  • Configuration software
    • The c-BMS CREATOR software enables the battery designer to set up the BMS configuration for their specific application and selected battery chemistry.
  • USB/CAN adapter
    • For the c-BMS CREATOR software an adapter is required for USB to CAN conversion, which allows the connection from the BMS to the PC.

c-BMS CREATOR Software product presentation

Wire harness
  • Cell monitoring wire harness
    • We can provide tailor-made cell monitoring and temperature wire harnesses for all c-BMS products.
  • External communication wire
    • A range of different I/O cables are available for all c-BMS products for connection to shunts, VCU, relays, CAN devices and other peripherals.
Current measurement
  • Shunts
    • For all c-BMS products, a range of standard, compact, and high precision shunts are offered. The shunts can be selected to fit almost any application-specific currents.
  • HAL effect sensor
    • For all c-BMS products a range of standard high precision HAL effect sensors are offered. The HAL sensor can also be selected to fit almost any application specific currents.
Other accessories
  • Fuses
    • For battery systems, a further safety layer is configured using fuses. LiTHIUM BALANCE offers several fuses with ratings relevant for large format batteries.
  • Relays
    • For all c-BMS products a range of standard robust relays are offered. The relays can be selected to fit almost any application specific currents and voltage levels.
  • Application support
    • In order to ensure the smooth integration of the c-BMS into the system, we offer application support. In the software license 5 hours of free support is included. Application support beyond that is offered on an hourly basis.
  • Training
    • For a comprehensive introduction about the possibilities of our c-BMS, Li-ION technology, and battery integration, LiTHIUM BALANCE offers trainings tailored specifically to your needs.
  • Remote surveillance
    • For our c-BMS, a modem-based surveillance system can be connected to the BMS via CAN. The data is stored on a secure server and can be accessed from anywhere.

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