The Active Balance smart 4s 100a LiFePO 12V LFP BMS for EV is an advanced Battery Management System (BMS) specially designed for Electric Vehicles (EVs). It efficiently manages a 4-series LiFePO battery pack with a 100A current capacity, ensuring optimal performance and longevity.
Product Parameter (Specification)
LWS-4S100A-861
Test item
Description
Criterion
Voltage
Charging voltage
DC:14.4V CC/CV
Balance voltage for single cell
3.2±0.025Vc
Current
Balance current for single cell
2±1A
Current consumption (sleeping)
≤250uA
Current consumption(working)
≤10mA
Maximal continuous charging current
≤100A
Maximal continuous discharging current
≤100A
Maximal continuous discharging current
None
Over charge Protection
Over charge detection voltage for single cell
Over charge release voltage for single cell
Over charge detection delay time
500-1500mS
Over charge release voltage for single cell
3.55±0.05V
Over discharge protection
Over discharge detection voltage for single cell
2.5±0.05V
Over discharge detection delay time
500-1500mS
Over discharge release voltage for single cell
2.8±0.10V
Over current protection
Over discharge current protection 1
150±20A
Detection delay time 1
500-1500mS
Over discharge current protection 2
200±20A
Detection delay time 2
200mS
Overcharge current protects current
150±20A
Detection delay time
500-1500mS
Short circuit protection
Short circuit protection current
≈2000A
Detection delay time
50~800uS
Protection condition
Exterior short circuit
Release condition
Cut load,Auto recovery
Charge high temperature protection
55±5ºC
Charge low temperature protection
0ºC
Discharge high temperature protection
70±5ºC
Discharge low temperature protection
-20±5ºC
Release condition
The temperature drops to 50ºC, charge release
Operating temperature range
-20~+60ºC
Storage temperature range
-20~+60ºC
Resistance
The on-state resistance of the main circuit
≤5mΩ
Break circuit protection
Disconnect the voltage sampling circuit to turn off the charge and discharge
Support
NTC Protection
Thermistor temperature protection
Support
Electronic switch
Electronic switch
Support
Reverse polarity protection
Reverse polarity protection
Product Details
1.Provides protection for 4 series LiFePo battery pack
2.Provides protections in charging and discharging
3.Processes the balance between cells smartly,adopts active balance.
4.Deals with over-current and short-circuit protection with circuit itself
5.Protect an electrical circuit from damage caused by over current/ over load or short circuit
6.Support RS485 protocol
7.Support bluetooth protocol
Notes