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Balanced Smart 4s 150A LiFePO4 Battery Pack 12V 12.8V BMS for EV
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Balanced Smart 4s 150A LiFePO4 Battery Pack 12V 12.8V BMS for EV

LWS® Balanced Smart 4S 150A LiFePO4 Battery Pack 12V 12.8V BMS for EV, brought to you by LWS®. With over a decade of expertise in battery protection board manufacturing and ISO9001 authentication, our LWS® team is committed to providing you with top-notch precision analysis, engineering excellence, and impeccable after-sales service. Rest assured, our CE and RoHS certified BMS ensures reliability and compliance with industry standards for your electric vehicle needs.

Model:LWS-4S150A-873

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Product Description


Product Introduction

The Balanced Smart 4s 150A LiFePO4 Battery Pack 12V 12.8V BMS for EV is a high-performance battery pack designed specifically for electric vehicles (EVs). With its advanced LiFePO4 technology, it offers a reliable and long-lasting power source, while the integrated 12.8V BMS ensures optimal performance and safety. This 150A battery pack is the perfect choice for those seeking a dependable and efficient energy solution for their EV needs.


Product Parameter (Specification)

LWS-S3-14S300A

Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications  For LWS® 7.4V (2S) Li-ion Battery Packs
No. Test item Criterion
1 Voltage Charging voltage DC:14.4V  CC/CV
Balance voltage for single cell 3.2±0.025Vc
2
 Current Balance current for single cell 50±20mA
Current consumption
≤50uA
Maximal continuous charging current 150A
Maximal continuous Discharging current 150A
3 Over charge Protection（single cell)
 Overcharge detection voltage for single cell
 3.60±0.025V
Over charge detection delay time 2S±1S
Over charge release voltage for single cell 3.40±0.05V
4
Over discharge protection (single cell)
 Over discharge detection voltage for single cell
 3.00±0.05V
Over discharge detection delay time 2S±1S

Over discharge release voltage for single cell

3.10±0.10V
5
 Over current protection
 Over discharge current protection1 300±20A
Detection delay time 1
30S
Over discharge current protection 2 1340±50A
Detection delay time 2 2000mS
Overcharge current protects current
 325±20A
Detection delay time
 30S
6
Short protection
 Detection condition
 Exterior short circuit
Detection delay time 50-800us
Release condition Cut load
7
 Resistance Protection  circuitry（MOSFET）
 ≤5mΩ
8
 		Temperature
 Operating Temperature Range
 -40～+85℃
Storage Temperature Range
 -40～+125℃



Product Details


1.Highly integrated analog front end (TI analog front End)

2.Isolated power supply circuit

3.Automatic balancing and configurable

4.Parameters can be adjusted and set

5.Short circuit current and time can be configured

6.High voltage accuracy (≤20mV)

7.High current accuracy (≤2%@FS)

8.SOC /SOH estimation with accuracy up to 5%

9.Two-level low power consumption, minimum power consumption of 5uA, can be shut down to protect the battery

10.Firmware upgrade, Internet of things



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.

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