4S20A BMS for digital products - AYAA4S20A BMS for digital products | AYAA

Model Number PCM-L04S20-E22 Communication Interface SMBUS Charging voltage DC：13.8V~16.8V CC/CV（3.45V~4.2V/Cell）4s Maximal continuous charging current 5-20A Maximal continuous discharging current 5-20 ... | AYAA

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4S20A 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 SMBUS
Optimizes energy flow and stability.

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Parameter information Product Detail

Model Number			PCM-L04S20-E22
Communication Interface			`SMBUS`
Charging voltage			DC：13.8V~16.8V CC/CV （3.45V~4.2V/Cell）4s
Maximal continuous charging current			5-20A
Maximal continuous discharging current			5-20A
Current consume in normal operation			600uA
Balance current for single cell			/
Balance voltage for single cell			/
Over charge detection voltage			3.6-4.35V
Over discharge detection voltage			2.0-3.0V
charge current protection			15-60A
Charge Over current detection current 1			/
ChargeOver current detection current 2			/
Discharge Over current detection current 1			/
Discharge Over current detection current 2			/
Short Protection			YES

Technical Specification

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


size	L78W52T8.5mm
NTC	10K
Temperature switch	/ ℃(the batteries temperature)
Weak currentswitch	/
Active balance	/
Heater	/
Braking Resistors	/

4S20A BMS for digital products - AYAA4S20A BMS for digital products | AYAA

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4S20A BMS for digital products

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