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Home > Battery Management Systems (BMS) > Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
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Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs
Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs

Lws 12.8V Battery Management System BMS for LiFePO4 4s 8s 10s 400A Car Start Battery Packs

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Product Description

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Basic Specifications

Model NO.
LWS-10S400A-446
Balance Current (Single Cell)
35±5mA
Max Continuous Charge/Discharge
≤80A
Over Charge Detection (Single)
3.9±0.025V
Over Discharge Detection (Single)
2.50±0.08V
Short Circuit Protection
Cut Load/Charging
Application
Solar, Digital, Ebike
Base Material
Fr-4
Certification
RoHS, ISO
Temperature Switch
75℃
Specification
220*90*12.3mm
HS Code
8536300000
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Product Overview

LWS 12.8V Battery Management System BMS For LiFePO4 4s 8s 10s 400A Car Start Battery Packs

Battery Management System

Core Advantages

✔ Professional BMS Factory
✔ OEM/ODM & Custom Service
✔ Smart Balance Function
✔ ISO9001/CE/ROHS Certified
✔ High-End IC & MOSFET
✔ Fast Delivery Service
⚙

Technical Parameters

Test Item Criterion
Charging VoltageDC: 14.8V CC/CV
Balance Voltage (Single Cell)3.52±0.025V
Balance Current (Single Cell)35±5mA
Current Consumption≤35μA
Pulse Current800A-1600A (5S)
Over Charge Detection Delay0.7S-1.3S
Over Discharge Release Voltage3.00±0.1V
Circuitry Resistance (MOSFET)≤20mΩ
Operating Temperature-20 ~ +60ºC
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Product Gallery

BMS Detail 1
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BMS Detail 5
BMS Detail 6
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Production & Logistics

Production Facility

Specializing in 1S-35S battery assembly PCM/BMS, covering working currents up to 350A. Products are widely used in lighting, power tools, electric bicycles, medical equipment, and EV applications.

Certification
Packaging
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Frequently Asked Questions

Q: How many Ampere protection circuit boards should I choose?
A: It depends on your load power such as electric motor power. Please consult technical support regarding your specific equipment requirements before purchasing.
Q: What is the distinction between same port and different port wiring?
A: In different port wiring, the cathode of the charger and load are separate. In same port wiring, they are the same, meaning charging and discharge currents are equal.
Q: What is the distinction between balance and unbalance function?
A: The equilibrium function ensures that high voltage cells are discharged through a resistor to match low voltage cells, making the voltage consistent across the entire pack.
Q: Do you have a Minimum Order Requirement (MOQ)?
A: No, we do not have a strict MOQ. We can provide various capacities and sizes based on your specific requirements. ODM/OEM orders are welcome.
Q: What are your terms of payment?
A: We accept multiple payment methods including PayPal, T/T, and L/C.
Q: What is the purpose of the built-in temperature switch?
A: The 75℃ temperature switch provides thermal protection, automatically cutting off or alerting when the battery pack reaches critical heat levels to ensure safety.

Any further questions, welcome to contact our sales person by sending an inquiry. Your satisfaction is our pleasure!

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