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PCM 3s 4A Lithium BMS with Battery Capacity Display by LED Lights
US$4.50-6.00
10 Pieces

Product profile

Customization

Available

Battery Series

3s

Max Charge

2A

Model NO.

LWS-3S4A-416(3S)

Max Discharge

3A

Operating Temperature

-20~+70℃

Delivery Time

7-15 Days After Payment

Sample

Available

Type

Lithium Battery BMS/PCM/PCB

Usage

Lithium Ion/LiFePO4 Battery Packs, etc

Certificate

ISO9001/ISO14001/Ce/RoHS

Application

Solar, E-Bike, Toy's Battery Pack, Power Tool

Transport Package

Vacuum Packing/Plastic Bag/Standard Carton Packing

Specification

L52*W17*T3.5mm/ L28*W13*T2mm

Trademark

LWS

Origin

Shenzhen, China(Mainland)

HS Code

8536300000

Production Capacity

100000/Month

Key features

Smart Balance Function: Ensures consistent voltage across cells for extended battery life and safety.
LED Capacity Display: Visual battery level indication from 0% to 100% via flashing LED lights.
Comprehensive Protection: Protects against over-charge, over-discharge, over-current, short circuit, and temp issues.
OEM/ODM Customization: Supports full customization including samples, designs, and flexible adjustments.
Certified Quality: ISO9001, ISO14001, CE, and RoHS certified for global market compliance.
Wide Application: Suitable for Li-ion, LiFePO4, solar, e-bikes, toys, and power tools.
No MOQ Requirement: Flexible ordering with no minimum quantity restrictions for customers.
Fast Delivery: Standard delivery within 7-15 days after payment confirmation.

Company profile

Shenzhen Li-ion Battery Bodyguard Technology Co., Limited
Self-brandedPatents AwardedYears of Export ExperienceHigh Repeat Buyers Choice
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Shenzhen Port, Hong Kong PortAverage Response Time: ≤6.26h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a Battery BMS manufacturer with documented quality, service, R&D, and production processes. It reports OEM and ODM services, SDK availability, 3D design, broad customization, recent new-product activity, and documented design and verification records. Production-related evidence includes SMT, screen printing, reflow soldering, AOI, coating, drying, packaging, and dedicated testing equipment, with standardized finished-product inspection instructions. It has participated in several offline trade shows and identifies Shenzhen and Hong Kong ports as nearby logistics points. However, the provided information does not establish certifications, named customer cases, or financial performance; it also reports no overseas warehouses, showrooms, agents, or branches.
Supplier typeThe supplier identifies itself as an active Battery BMS manufacturer and reports both OEM services for well-known brands and ODM services. This supports classification as a BMS manufacturer with contract design and manufacturing capabilities.
After-Sales capabilityThe supplier reports clear procedures and followed records for corrective and preventive actions and customer complaint handling. Its technology engineers also provide technical support for production and after-sales service, indicating documented and technically supported after-sales processes.
R&D capabilityR&D engineers handle customer-request confirmation, technical support, and new-product development; design input, output, review, verification, and validation documents are reportedly available for audit. The supplier also reports new products within the past year, ODM capability, and SDK availability, providing explicit evidence of active R&D capability.
Production capacityThe supplier reports multiple manufacturing and testing facilities, including SMT, screen printing, reflow soldering, AOI, coating, drying, packaging, and dedicated power-protection-board testing equipment. It also states that finished-product inspection instructions are available and uniformly followed, while quality assurance and written supplier-service assessment procedures are reported.
Customization capabilityThe supplier provides 3D software design services and reports customization from samples, designs, flexible customization, minor customization, and full customization. These statements directly support broad product and design customization capability.

Product Q&A

Q:How do I identify my battery material?
A:
Check the battery body voltage: 3.2V indicates LiFePO4, while 3.6V or 3.7V indicates Li-ion or Li-polymer.
Q:Can I use this board for my battery?
A:
Ensure the series count matches your battery pack. Also, specify if it is LiFePO4 as it has different parameters.
Q:Do I need cell balance function?
A:
Yes, balance ensures consistent voltage across cells, preventing inconsistency after charging due to natural cell variations.
Q:What is the Minimum Order Quantity (MOQ)?
A:
We have no MOQ requirement. We support various capacities, sizes, and welcome OEM/ODM requests.
Q:What are the payment terms?
A:
We accept PayPal, T/T, L/C, and Western Union.

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