The compact c-BMS manages up to 24 cells in series and up to 6 temperature sensors in the pack. Maximum pack voltage rating is 100V.

The product is designed to be extremely space-efficient, measuring only 150 x 70 mm, but contains powerful key components, such as its dual core safety rated processor and state of the art application specific integrated circuit (ASIC), that can reach temperature accuracy of ±1 °C and SOC accuracy to within ±0,5%.

The c-BMS can be configured through the licensed c-BMS CREATOR software, which enables the battery integrator to create a unique battery design and tailor it specifically for their needs.


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


LiTHIUM BALANCE offers a range of chargers which are both air-cooled and water cooled. Chargers are available in 1,8 kW, 3,3 kW and 6,6 kW capacities.

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.
Li-ion cells

LiTHIUM BALANCE offers a range of cost-efficient cells. These products were proven on the market for over 10 years, can be managed by our BMS, and come with the possibility of extended warranty. 

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.
  • Displays
    • LiTHIUM BALANCE offers a number of standard displays (based on CAN) that can be connected seamlessly to the c-BMS.
  • 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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