4S4A BMS for digital products - AYAA

Model Number PCM-L04S04-L31 Communication Interface SMBUS Charging voltage DC：16.8V CC/CV（4.2v/Cell）4s Maximal continuous charging current 1A Maximal continuous discharging current 4A Current consume ... - AYAA

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  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products
  • 4S4A BMS for digital products

4S4A BMS for digital products

  • Prevents charging beyond the voltage limit
  • Stops discharging below safe levels.
  • Protects against excessive current
  • Prevents damage from short circuits
  • Manages overheating and low temperatures
  • Ensures uniform voltage across cells
  • Enables real-time monitoring via I2C
  • Optimizes energy flow and stability.
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Parameter information Product Detail
Model NumberPCM-L04S04-L31
Communication Interface SMBUS
Charging voltageDC：16.8V CC/CV
（4.2v/Cell）4s
Maximal continuous charging current1A
Maximal continuous discharging current4A
Current consume in normal operation ≤800uA
Balance current for single cell56±10mA
Balance voltage for single cell3.5±0.10V
Over charge detection voltage4.25±0.05V
Over discharge detection voltage2.8±0.05V
charge current protection2±1A
Charge Over current detection current 1/
ChargeOver current detection current 2/
Discharge Over current detection current 112±1A
Discharge Over current detection current 214±1A
Short ProtectionYES
Technical Specification
size L60*W55 *T9.5mm
NTC 10K
Temperature switch/ ℃(the batteries temperature)
Weak currentswitch/
Active balance/
Heater/
Braking Resistors/
Other Parameter
Low temperature protOperating Temperature Range-40～+85℃
Storage Temperature Range-40~+125℃
Temperature Parameter
LCD display screen/
LED light board /
Bluetooth mode/
4G /
GPS /
Optional Configuration
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