How do you guarantee product quality?

We conduct a pre-production sample check, 100% E-testing for every unit, and final inspection before shipment.

What communication protocols are supported?

The BMS supports RS485, CAN, Bluetooth, UART, and SMBUS for data monitoring and control.

What is the minimum order quantity?

The minimum order quantity is 6 pieces.

Lithium Battery Management System PCM PCB Assembly 4s 25A LiFePO4 12V BMS 4s for Solar Battery

Name: Lithium Battery Management System PCM PCB Assembly 4s 25A LiFePO4 12V BMS 4s for Solar Battery
Brand: Shenzhen Li-ion Battery Bodyguard Technology Co., Limited
SKU: 2083035015

Guangdong, ChinaShenzhen Li-ion Battery Bodyguard Technology Co., Limited

US$4.20

5-999 Pieces

US$3.60

1,000-9,999 Pieces

US$26.00

10,000+ Pieces

Sample price:US$4.20/piece.Request sample

Product profile

Customization

Available

Overcharge Protection

Yes

Ovediscahrge Protection

Yes

Model NO.

LWS-4S25A-732-R01

Over Current Protection

Yes

Balance Function

Yes

Usage

Lithium Battery Packs, LiFePO4 etc

Application

Digital Equipment, Electrice, Ebike, etc

Delivery Time

7-15 Days After Payment for Small Order

Metal Coating

Copper

Mode of Production

SMT

Layers

Multilayer

Base Material

Fr-4

Certification

RS485, Can, Bluetooth

Customized

Condition

New

Testing Service

100%E-Testing

Transport Package

in: Vacuum Packing/out: Packing: Carton Packing

Specification

L190*W145*T25mm

Trademark

lws

Origin

Shenzhen, Guangdong

HS Code

8536300000

Key features

Comprehensive Protection: Protects against over-charge, over-discharge, over-current, short-circuit, and temperature extremes.

High Current Capacity: Supports up to 20A continuous charging and discharging current for stable performance.

Flexible Customization: Full customization available for voltage, cells, current, and communication protocols like RS485/Bluetooth.

Advanced Balance Function: Features automatic voltage balance with pulse equalization current of 15-38mA per cell.

Professional Manufacturer: ISO 9001 certified factory with 12 years experience, 2 R&D engineers, and 20+ production lines.

100% Quality Testing: Every unit undergoes 100% E-testing and visual inspection before shipment to ensure reliability.

Wide Application Scope: Suitable for Li-ion, LiFePO4, and LTO battery packs in e-bikes, solar systems, and medical equipment.

Fast Delivery Service: Small orders delivered within 7-15 days; off-season lead time within 15 workdays.

Company profile

Self-brandedPatents AwardedYears of Export ExperienceHigh Repeat Buyers Choice

Shenzhen Li-ion Battery Bodyguard Technology Co., Limited

Guangdong, China

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: ≤6.93h

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.