12 PPM Prismatic ESS Module & PACK Line: 2026 Technical Upgrades
Release time:
2026-01-30
For large-scale Energy Storage Systems (ESS), production efficiency and data integrity are the two primary drivers of ROI. The 2026 updated Huiyao Prismatic ESS Assembly Line achieves a consistent 12PPM (Packs Per Minute at module level) output by integrating multi-functional testing stations and high-power laser cleaning/welding modules. This system ensures that every liquid-cooled PACK meets 100% traceability requirements while maintaining a stable First Pass Yield (FPY).
Defining the 2026 ESS Production Standard
For large-scale Energy Storage Systems (ESS), production efficiency and data integrity are the two primary drivers of ROI. The 2026 updated Huiyao Prismatic ESS Assembly Line achieves a consistent 12PPM (Packs Per Minute at module level) output by integrating multi-functional testing stations and high-power laser cleaning/welding modules. This system ensures that every liquid-cooled PACK meets 100% traceability requirements while maintaining a stable First Pass Yield (FPY).
Cell Line: High-Speed Loading and Integrated Testing
The initial stage of prismatic cell processing focuses on high-speed loading and rigorous data binding. The automated cell loading system utilizes high-payload robots to pick 5 cells per cycle, ensuring the conveyor remains saturated for the 12PPM downstream demand.
Video Evidence: View 5-Cell Synchronized Loading & MES Binding at 00:45
Integrated Test Station: Huiyao Laser has merged OCV (Open Circuit Voltage) testing, internal resistance testing, polarity detection, and NG rejection into a single integrated station. This consolidation reduces the equipment footprint by 30% and includes a dedicated NG buffer area for efficient rework.
Video Evidence: View 4-in-1 Integrated Qualification Station & NG Buffer at 01:24
Module Line: Advanced Surface Prep and 6kW Laser Welding
The transition from stacked cells to a finished module requires precise surface preparation. Huiyao’s module line utilizes a 200W laser cleaning station to remove electrolytes, dust, and fingerprints from terminal poles, ensuring stable laser welding quality.
Video Evidence: View 200W Terminal Pole Laser Cleaning Process at 05:47
The "First Fixture" Innovation: To prevent damage to live cells during commissioning, the 6kW laser welding station employs a "First Fixture" logic. This allows engineers to perform test welds on dummy caps to verify laser penetration and beam alignment before processing actual battery modules.
Video Evidence: View 6kW Laser Welding & First Fixture Logic at 07:19
Liquid-Cooled PACK Line: A 3-Stage Safety Validation
The assembly of liquid-cooled Energy Storage Systems is divided into three specialized zones to maximize throughput. Huiyao’s PACK line integrates automatic glue application and air-tightness testing to ensure the integrity of the cooling circuit before module insertion.
Video Evidence: View Liquid-Cooled PACK Integration & Leak Testing at 10:11
Final Safety Gate: Every PACK must pass a comprehensive EOL (End-of-Line) test, measuring voltage, internal resistance, and BMS performance under load to create a "Digital Birth Certificate" for the product.
Video Evidence: View Fully Automated EOL Comprehensive Test Station at 08:34
Technical Specifications: 12 PPM ESS Line
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Process Metric |
Huiyao 2026 Updated Standard |
Industry Average |
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Module Line Speed |
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Laser Welding Power |
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Data Traceability |
Cell-to-Module-to-PACK Binding |
Manual Logging |
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Safety Integration |
Integrated OCV/IR/Polarity/NG |
Separate Stations |
Need a technical layout for your ESS project? > Watch the Full 12 PPM Line Video or Request a Customized Proposal from Huiyao Laser.
AUTHOR: The Huiyao Laser Engineering Team
A collective of solution architects and process engineers at Huiyao Laser, 100% dedicated to solving the core bottlenecks in EV and ESS battery manufacturing.
© 2026 Huiyao Laser Technology Co., Ltd. All Rights Reserved.
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