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SYLJ - your Reliable Partner for Lithium Battery industry

To Shenyang lanjian technology Co.,Ltd, green energy is more than just a trend, and our team is devoted to creating a new standard in energy storage. Enabling widespread deployment of our cutting-edge technology is our goal, making green, renewable energy available to anyone. To back the market′s leading lithium-ion batteries is a team dedicated to ensuring a great customer experience-every time.
Our technical sales specialists are available via phone and email to assist with any questions, from installs to what will work best in your system. Whether you′re looking to upgrade your batteries, build a complete power system, or anything in between, our team will provide the expertise needed to get the best system for your needs.

Products

STANDARD CELL PRODUCTION PROCESS

SYLJ® Certified Energy System Solutions Tier-1 Cell Supplier Partner
TÜV Rheinland Verified & SGS Made-in-China Gold Member Since 2018

Core Competitive Edges
Direct Access to Tier-1 Cell Supply Chain
SYLJ® partners with top Tier-1 cell manufacturers like REPT, BARTTO, EVE, GOTION, SVOLT, VEKEN, GANFENG etc.ensuring a stable supply of Grade A prismatic cells with ±0.5% capacity tolerance and ≤5mV voltage deviation. This minimizes disruptions and guarantees high-quality energy storage solutions for industrial and commercial applications.

Automotive-grade Manufacturing
Achieving a low defect rate of 0.12% vs. the 1.5% industry average. With 218 QC checkpoints, we ensure product reliability from raw material sourcing to final assembly.

Proprietary Hybrid BMS Technology
Extends cycle life, and ensures safety, supporting 10,000+ cycles at 80% DoD (IEC certified). Key features include:

Real-time monitoring: Prevents overcharging, deep discharge, and overheating
Active & passive balancing: Improves efficiency and battery longevity.
Multi-protocol compatibility: Supports CAN, RS485, and Bluetooth 5.0 for seamless integration.

Global Market Leadership
Our solutions are used in 30+ countries with region-specific certifications:

EU: CE, RoHS, VDE
NA: UL1973, UN38.3
APAC: KC, PSE, BIS

Compliance with international standards makes our products ideal for residential, commercial, and industrial applications.

OEM/ODM Solutions for System Integrators
We offer customizable solutions with:

Custom voltage ranges for various applications.
Scalable capacity with modular designs.
Smart integration with multiple communication protocols.

These solutions cater to renewable energy, off-grid, and backup power applications, ensuring flexibility and reliability.

Solutions for Distributors
For distributors seeking fast-to-market solutions, we provide:

logo customization for private labeling.
Plug-and-play kits for solar ESS, RV power, and telecom backup.

Our turnkey solutions help distributors establish their brands quickly and effectively.

Trust-Building Elements
Verified by Global Leaders
SYLJ® is a trusted partner in 120+ large-scale projects worldwide, demonstrating our industry leadership.

Transparent Supply Chain
Our blockchain-enabled batch traceability ensures real-time tracking of cell origins, manufacturing, and quality control records.

Why Choose SYLJ®?

Low Defect Rate: 0.12% vs. 1.5% industry average.
High-Performance Cells: ±0.5% tolerance, ≤5mV deviation.
Long Lifecycle: 10,000+ cycles @80% DoD.
Flexible Customization: Voltage, capacity, and modular design.
Fast Branding: 72-hour logo engraving.
Plug-and-Play Solutions: Solar ESS, RV power, telecom backup.
Global Compliance: CE, UL1973, UN38.3, KC, BIS, etc.
Proven Track Record: Partner in 120+ large-scale projects.
Supply Chain Transparency: Blockchain-enabled tracking.

SYLJ® continues to innovate, delivering high-quality, cost-effective, and scalable energy storage solutions worldwide.

PRODUCTION LINE SUPPORTING PRODUCT SOLAR PANELS

The production line is specifically designed to manufacture solar panels. With advanced manufacturing processes and automated equipment, we efficiently produce high-quality solar panels. The production line boasts precision processing capabilities to ensure exceptional performance and reliability of the solar panels throughout the manufacturing process. Committed to providing environmentally friendly and efficient renewable energy solutions, this production line plays a crucial role in achieving this goal.