Excellent R&D team
Manufacturing
From battery pack to energy storage system, our factory is able to fulfill the whole manufacturing with our own production lines, laboratories, workers, and technology.
Pursuing Excellence in Solar Manufacturing
To bring forth the full potential of excellent product design and advanced technology, it is crucial to have professional manufacturing processes in place. BLJ Solar recognizes this and dedicates unwavering efforts to establish its own in-house manufacturing capabilities, encompassing top-notch facilities, skilled talents, and effective management practices.

High Quality Origins from Better Materials
At BLJ Solar, we prioritize quality by accepting and utilizing superior materials from renowned suppliers. Our battery cells are sourced from industry leaders such as EVE, GOTION, GREAT POWER, and SUNWODA.
Additionally, we conduct random raw material re-inspections to ensure our manufacturing process begins with a strong focus on quality.
In-house Manufacturing
Assembly of battery modules and packs
At BLJ Solar, the assembly of battery modules and packs is finished by our advanced automatic production lines to improve productivity and quality consistency.
Equip Tested battery packs with BMS
After assembly, battery packs undergo comprehensive testing before being equipped with our indepently designed BMS modules, ensuring quality and reliability.
Semi-product Tests
When the battery is packed with core modules, we will conduct a 100% aging test, safety test, and electrical performance tests to ensure only qualified packs go to the next step.
Final product Assembly
During this step, the battery pack and other components are installed into a protective ABS or aluminum alloy cabinet, ensuring longevity and enhanced durability.
All-round Inspection
The finished products will be completely inspected from appearance to function to ensure they look good, work well, and meet the designed functions and performance.
Random Inspection in package
All tested products will be packaged for shipment and our QC team conducts random inspections to ensure there are no deficits and maintain quality control in the whole process.
Manufaturing is A Teamwork
The exceptional quality of our solar products is the result of collaborative teamwork, embodying the combined skills, expertise, and dedication of our entire company. It is through our unified efforts that we deliver high-quality solar solutions that meet and exceed customer expectations.


Explore More about Our Capabilities
As an esteemed manufacturer of solar products, BLJ Solar has an abundance of insights and expertise to offer.