Global Energy Storage Boom Drives Demand for Rectangular Cell Assembly Solutions

The International Renewable Energy Agency (IRENA) projects a 35% annual growth 

in global energy storage installations by 2024. Rectangular lithium-ion cells 

are favored for their high stability in residential energy storage systems. Sunkead’s

customized rectangular battery pack assembly line is engineered for scalability and precision, 

combining automated sorting, laser welding, and modular integration to meet diverse customer needs.

Key Technical Features

Process Module Technical Specifications

Intelligent Sorting:Auto-barcode scanning + OCV voltage testing (±0.02V accuracy). 

Compatible with 18650/21700/32135 cell formats.

Dual-Speed Chain Conveyors: Modular design for assembly line segments (20-second cycle time).

 Flexible configuration for capacity upgrades.

Laser Welding System:Weld penetration ≥0.8mm, tensile strength >80MPa, 

heat-affected zone <0.3mm. UL2580-certified for safety.

Human-Machine Collaboration:AGV material handling + manual inspection stations 

(80% labor fatigue reduction, 99.8% yield rate).

Data Traceability:MES system logs real-time welding parameters (current/voltage/displacement). 

Blockchain certification available.

Five Core Advantages

1.Ultra-Flexible Adaptability

Supports cell thicknesses 30–120mm and module dimensions ≤1500×800×300mm.

CTP (Cell-to-Pack) integration compatibility rate: 100%.

2.Energy-Saving Efficiency

Output capacity: 500 units/hour.

Energy consumption reduced by 40% vs. conventional lines.

3.Zero-Defect Manufacturing

Multi-dimensional quality control (X-ray/moisture/OCV testing).

Customer complaint rate drops by 85%.

4.Safety Compliance

Explosion-proof dust removal + smoke detection systems.

Compliant with IEC 62619:2022 and UL2580 standards.

5.Rapid Deployment

Modular design shortens installation time by 60%.

Standard lines operational within 30 days.

Application Scenarios

 Residential Energy Storage: Solar-home systems, off-grid power solutions

 Commercial Energy Storage: Microgrids for industrial parks, data center UPS

 Specialized Applications: Marine/RV mobile energy, telecom backup systems

Customer Testimonials

“Our customized assembly line doubled production efficiency while meeting stringent safety standards.” 

— CTO, East China Energy Storage Integrator

Take Action Now

 Free Custom Proposal: Submit your requirements → Get Started

For any inquiries about battery pack assembly line solutions,please don't hesitate to contact us.