What is the lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What certifications does the product have?

The product holds ISO9001, ISO14001, CE, and ROHS certificates.

BMS with Sample

Name: for 3s4a 18650 LiFePO4/Li-ion Battery Pack Custom LED PCB/PCM/BMS with Sample
Brand: Shenzhen Li-ion Battery Bodyguard Technology Co., Limited
SKU: 911051715

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

US$2.30

1-99 Pieces

US$1.30

100-998 Pieces

US$0.80

999+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

BMS Type

Li-ion/Lithium Ion Battery BMS

Charging Voltage

12.6V

Model NO.

LWS-3S4A-184(3S)

Balance Voltage

Charging Current

Over Charge Protection

4.25V

Over Discharge Protection

3.0V

Over Current Protection

6.6+-1A

Type

Flexible Circuit Board

Dielectric

Fr-4

Material

Fiberglass Epoxy Resin + Polyimide Resin

Application

Consumer Electronics

Processing Technology

Delay Pressure Foil

Base Material

Copper

Insulation Materials

Epoxy Resin

Transport Package

Anti-Static Bag Packaging/ Carton Packaging

Origin

China

HS Code

8536300000

Production Capacity

50000 Pieces /Months

Key features

OEM/ODM Customization: Supports full customization including samples, designs, and flexible adjustments for capacity and size.

Smart Balance Function: Discharges high voltage cells to match low voltage cells, ensuring consistent performance across the battery group.

Premium Components: Uses imported ICs from Japan, MOSFETs from USA, and components from Samsung for stable quality.

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

Rigorous Testing: Passed 1.2m drop test, short circuit, overcharge, and over-discharge tests with 100% inspection.

Certified Quality: Holds ISO9001, ISO14001, CE, and ROHS certificates ensuring green and safe product standards.

Flexible Application: Can be used for fewer series batteries by leaving connection pins at empty status for versatile use.

One Year Warranty: Provides a one-year warranty covering mechanical defects and ensuring excellent safety performance.

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: ≤7.56h

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 many Ampere protection circuit boards should choose?

It depends on your load power such as electric motor power please contact the sales or technical support before buying.

Q:What is the distinction between same port wiring and different port wiring?

The cathode of charger and load is different for different port wiring , the cathode of charger and load is same for same port wiring and the charging current is equal to the discharge current.

Q:What is the distinction between balance and unbalance function?

Equilibrium function is that high voltage cells will be discharged with resistor, waiting for the low voltage cells , to achieve the each cell voltage is consistent , to improve the battery performance for the whole group.

Q:Do you have Minimum Order Requirement (MOQ)?

No, We don't have MOQ, Different customer have different requirement ,We can provide various capacity and size is per your requirements,Also ODM / OEM is welcome.

Q:What is your term of payment?

PayPal, T/T, L/C.