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Smart 4-20s 300A Battery Management System LiFePO4 BMS for EV

Name: Smart 4-20s 300A Battery Management System LiFePO4 BMS for EV
Brand: Shenzhen Li-ion Battery Bodyguard Technology Co., Limited
SKU: 2085376435

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

US$60.00

5-999 Pieces

US$59.50

1,000-4,999 Pieces

US$59.00

5,000+ Pieces

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Overcharge Protection

Yes

Ovediscahrge Protection

Yes

Model NO.

LWS-20S300A-482-R04

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

L175mm*W116.5mm*T13.5mm

Trademark

lws

Origin

Shenzhen, Guangdong

HS Code

8536300000

Key features

High Continuous Current: Supports up to 300A continuous load for stable performance.

Multi-Protocol Support: Compatible with RS485, CAN, and Bluetooth communication protocols.

Comprehensive Protection: Features overcharge, overdischarge, overcurrent, and short-circuit protection.

Smart Cell Balancing: Intelligently balances cells with adjustable current via external components.

Full Customization: Offers flexible customization from samples, designs, and full customization options.

100% Testing Service: Undergoes 100% E-Testing including visual and functional inspection.

OEM & ODM Services: Provides professional design and manufacturing services for battery packs.

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: ≤6.22h

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 judge what material my battery is?

Please take a look at the battery body. If the normal voltage of your battery shows as 3.2V, the battery will be LiFePo4. If the normal voltage of your battery shows as 3.6V or 3.7V, the battery will be Li-ion or Li-polymer battery. You can also ask battery manufacturer the material of battery.

Q:Who are we?

We are based in Guangdong, China, start from 2013. There are total about 40 employees in our company.

Q:How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:What can you buy from us?

Battery Pack BMS, Lifepo4/Lithium Ion PCM, Protection Circuit Board, Print Circuit Board, Lifepo4/Lithium Ion Battery Pack.

Q:Why should you buy from us not from other suppliers?

The company has advanced production equipment and comfortable office environment, employees hundreds of people. The company Has a complete, scientific quality management system, and the importance of quality and environmental philosophy.