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Neexgent Bms 4s 60a Bms 12v Lifepo4 Battery Smart Bms With Uart Communication Port

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It is an intelligent protection board scheme specially designed for 4 series battery packs of start-up battery and electric energy storage products.It is suitable for lithium batteries with different chemical properties, such as lithium ion, lithium polymer, lithium iron phosphate, etc.The protection board has strong load carrying capacity and the maximum continuous discharge current can reach 120A.

● 4 cell series protection
● Various protection functions for charging and discharging
● Discharge over current, short circuit protection functional processes of hardware
● Over voltage, under voltage, temperature and overload protection function processing of software
● Accurate SOC calculation with automatic SOC learning function
● Reserved RS485, CANBUS communication
● UART communication function, can read all data of battery in real time and upgrade online
● Very low static current consumption
● The reserved switch controls the output of protection board

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Discharge current	60A	80A	100A	120A
Discharge overcurrent protection value	70A	90A	110A	130A
Internal resistance of main circuit conduction	<10 mΩ
Charging current (same port)	40A	60A	80A	100A
Charging current (sub-port)	None
Charging voltage	Ternary battery string number X 4.2V		lithium iron battery pack strings X 3.6V

Overcharge protection	Equalization voltage
Detection voltage: Ternary 4.25±0.03V LiFe 3.65±0.03V	Detection voltage: Ternary 24.0V LiFe 3.4V
Detection delay time: 1000 mS	Dissolution voltage: ternary < 4.0V lithium iron < 3.4V
Dissolution voltage: Ternary 4150.025V LiFe 3.5±0.05V	Equalization current: 50-60 mA

Over-discharge voltage protection	Over-discharge current protection
Detection voltage: Ternary 2.7±0.1V LiFe Z5±0.1V	Detection voltage: Ternary 150mV LiFe 130mV
Detection delay time: 1000 mS	Detection delay time: 5mS
Dissolution voltage: Ternary 2.9±0.1V LiFe 3.0±0.1V	Release condition: disconnect load/charge activated

Short circuit protection	Temperature control protection
Trigger condition: external load short circuit	Discharge over temperature protection: 75±5℃
Detection delay time: 25011s	Discharge high temperature lifting temperature: 60℃
Release condition: disconnect load/charge activated

Self-consumption of electricity	Operating temperature
Release condition: disconnect load/charge activated	Temperature range: -20℃ / ±80℃
Operating power consumption: < 40 uA
Sleep-overdischarge power consumption: < 30 uA

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