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LWS 21s 80A 67.2V LiFePO4 Battery BMS/PCB/PCM with Bluetooth
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LWS 21s 80A 67.2V LiFePO4 Battery BMS/PCB/PCM with Bluetooth

LWS 21s 80A 67.2V LiFePO4 Battery BMS/PCB/PCM with Bluetooth is a specialized Battery Management System (BMS) or Printed Circuit Board (PCB) designed for 21-series Lithium Iron Phosphate (LiFePO4) battery packs. It has a maximum continuous discharge current of 80 amperes and operates at a nominal voltage of 67.2 volts. Notably, it is equipped with Bluetooth connectivity, allowing for remote monitoring and control of the battery system.

Model:LWS-21S80A-897

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Product Description


Product Introduction

The LWS 21s 80A 67.2V LiFePO4 Battery BMS/PCB/PCM with Bluetooth is a cutting-edge Battery Management System (BMS) or Printed Circuit Board (PCB) tailored for 21-series Lithium Iron Phosphate (LiFePO4) battery configurations. This advanced system is engineered to handle a continuous discharge current of up to 80 amperes, ensuring efficient and reliable power distribution.


Product Parameter (Specification)


LWS-21S80A-897

Test item Description Criterion
Voltage Charging voltage DC75.6V CC/CV
Balance voltage for single cell 3.2±0.025Vc
Current Balance current for single cell 50±10mA
Current consumption (sleeping) ≤50uA
Current consumption(working) ≤10mA
Maximal continuous charging current ≤80A
Maximal continuous discharging current ≤80A
Maximal discharging current (time) None
Over charge Protection Over charge detection voltage for single cell 3.75±0.025V
Over charge detection delay time 0.5~1.5S
Over charge release voltage for single cell 3.5±0.05V
Over discharge protection Over discharge detection voltage for single cell 2.50±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 200±50A
Detection delay time 1 500~1500mS
Detection delay time 2 500~1500mS
Overcharge current protects current 200±50A
Detection delay time 500~1500mS
Short circuit protection Short circuit protection current /
Detection delay time 50~800uS
Protection condition Exterior short circuit
Release condition Cut load,Auto recovery
Temperature MOS temperature protection /
Charge high temperature protection 60±5ºC
Charge low temperature protection 0ºC
Discharge high temperature protection 60±5ºC
Discharge low temperature protection -20±5ºC/
Release condition The temperature drops to 55ºC, 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 Nonsupport

Product Details



1.Provides protection for 21 series LiFePo battery pack
2.Provides protections in charging and discharging
3.Processes the balance between cells smartly, the current of it can be set freely by external components.
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 CAN protocol
8.Support bluetooth protocol




Notes


1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) Before charged, need to connect the cables first.
3) When the group of battery is connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.

Hot Tags: LWS 21s 80A 67.2V LiFePO4 Battery BMS/PCB/PCM with Bluetooth, Manufacturers, Suppliers, Wholesale, Customized, CE, China, Factory, Quality, Price

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Related Categories

1S-2S LiFePo4/Li-ion battery BMS

3S-4S LiFePo4/Li-ion battery BMS

5S-15S LiFePo4/ Li-ion battery BMS

16S-35S LiFePo4/ Li-ion battery BMS

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