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  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle
  • 20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle

20S 200A BMS for Golf Cart &3-Wheeled Vehicle &Motorcyle

  • Stops discharging below safe levels.
  • Prevents charging beyond the voltage limit.
  • Protects against excessive current.
  • Protects against excessive current.
  • Prevents damage from short circuits.
  • Manages overheating and low temperatures.
  • Ensures uniform voltage across cells.
  • Enables real-time monitoring via RS485.
  • Optimizes energy flow and stability.
  • Stops discharging below safe levels.
  • Prevents charging beyond the voltage limit.
  • Protects against excessive current.
  • Protects against excessive current.
  • Prevents damage from short circuits.
  • Manages overheating and low temperatures.
  • Ensures uniform voltage across cells.
  • Enables real-time monitoring via RS485.
  • Optimizes energy flow and stability.
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Parameter information Product Detail
Model NumberAY-CX20S200A-H105(20S)
Communication InterfaceRS485
Charging voltageDC：64V CC/CV
（3.2V/Cell) 20s		DC：84V CC/CV
（4.2V/Cell) 20s
Maximal continuous charging current200A
Maximal continuous discharging current 200A
Current consume in normal operation≤15mA
Current consume in sleep operation ≤150uA
Balance voltage for single cell3.6±0.05V4.2±0.05V
Over charge detection voltage3.65±0.05V4.25±0.05V
Charge Over current detection current120±3A
Discharge Over current detection current 1200±3A
Discharge Over current detection current 2 300±3A
Short Protection YES
SOC5%~8%
Technical Specification
size L181 * W86 * T16 mm
NTC  10K
Temperature switch/ ℃(the batteries temperature)
Weak currentswitchYES
Active balance/
Heater/
Braking Resistors/
Other Parameter
Low temperature protection when charge0℃
Release temperature( low temperature protection)5℃
Over temperature protection when charge60℃
Release temperature( over temperature protection)55℃
Low temperature protection when discharge– 15℃
Release temperature( low temperature protection)-10℃
Over temperature protection when discharge65℃
Release temperature( over temperature protection)55℃
Operating Temperature Range-40~+85℃
Storage Temperature Range-40~+125℃
Temperature Parameter
LCD display screenYES
LED light board /
Bluetooth modeYES
4G /
GPS /
Optional Configuration
Model NumberAY-CX20S200A-H105(20S)
Communication InterfaceRS485
Charging voltageDC：64V CC/CV
（3.2V/Cell) 20s		DC：84V CC/CV
（4.2V/Cell) 20s
Maximal continuous charging current200A
Maximal continuous discharging current 200A
Current consume in normal operation≤15mA
Current consume in sleep operation ≤150uA
Balance voltage for single cell3.6±0.05V4.2±0.05V
Over charge detection voltage3.65±0.05V4.25±0.05V
Charge Over current detection current120±3A
Discharge Over current detection current 1200±3A
Discharge Over current detection current 2 300±3A
Short Protection YES
SOC5%~8%
Technical Specification
size L181 * W86 * T16 mm
NTC  10K
Temperature switch/ ℃(the batteries temperature)
Weak currentswitchYES
Active balance/
Heater/
Braking Resistors/
Other Parameter
Low temperature protection when charge0℃
Release temperature( low temperature protection)5℃
Over temperature protection when charge60℃
Release temperature( over temperature protection)55℃
Low temperature protection when discharge– 15℃
Release temperature( low temperature protection)-10℃
Over temperature protection when discharge65℃
Release temperature( over temperature protection)55℃
Operating Temperature Range-40~+85℃
Storage Temperature Range-40~+125℃
Temperature Parameter
LCD display screenYES
LED light board /
Bluetooth modeYES
4G /
GPS /
Optional Configuration
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