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sig energy

The system has a high-precision voltage detector, current detection, temperature detection, SOC estimation algorithm, loss balance, CAN BUS communication, RS485 communication, relay control, switch signal output, active signal input, etc.



1Voltage Detection Maximum strings support from the voltage detector: 24
Voltage detection range: 0 to 5 V (other voltages can be customized)
Voltage detection accuracy of ± 10 mV
2Temperature DetectionMaximum support from temperature detection: 4
Temperature sensing range of -40 °C to 125 °C
Temperature measurement accuracy ± 2 °C (-40 °C ~ 85 °C)
3Current DetectionCurrent ranges ± 500A (Current sensor optional)
Current measurement accuracy of ± 1%
4Relay Control2-way relay control, rated load current ≤ 1A peak current ≤ 2A
5Passive equilibriumAt the same time, can open 3-way balance under certain conditions, and different balances are independent of each other, the maximum current 250mA
6Balanced Failure ProtectionEffective protection of the battery safety
7485 Communications2-way 485 communication interface (1-way is only for data storage module)
8CAN Communications1-way CAN communication interface
9Active Signal Input2-way active signal input, rated load current of 0.5A, peak 1A
10Data DisplayLCD screen can be connected through the 485 BUS
Can connect the host computer via 485 or CAN
11SOC estimation error< 5%
12Failure alarmBuzzer sound alarm
13Data StorageCan add data storage module, Support 2 ~ 8G high-capacity SD data storage card
14System power consumption3W
15Operation voltage range12V system: DC9 ~ 18V (excluding LCD screen)
24V system: DC18 ~ 32V (excluding LCD screen)
16Operation tempreture range-30 ºC ~ 75 ºC
17Storage Temperature Range-40 ºC ~ 85 ºC
18Dimensions (mm)296*107*31


  • The system adopts highly integrated automotive-level control chip which is compact size but with powerful functions;
  • The system realizes collection, testing, communication and control functions with only four interfaces, which greatly reduces the complexity of the inter-connection;
  • The system has high accuracy in voltage, current and temperature data collection;
  • The system adopts a double isolation design; each functional port is with protection, with high-security;
  • The system goes through EMC, high and low temperature, vibration, salt spray and other environmental testing, with strong reliability;
  • Efficient balance, one-way lossy balance maximum current can reach 250mA, and balance fail-safe function is designed to protect the battery;
  • Real-time display of system information via the LCD screen or PC;
  • Support 2 ~ 8G high-capacity data storage;
  • The system has strong electrical control interface isolation design, which can improve effective immunity.