Nous sommes un fabricant de batteries au lithium dont le siège se trouve à Dongguan, en Chine. Avec plus d'une décennie d'expérience dans la recherche, la conception et la production de batteries au lithium, Yizhan Electronics fournit des solutions de batteries personnalisées de haute qualité à des clients du monde entier, dans les secteurs des cyclomoteurs électriques, des scooters, de la robotique, du stockage de l'énergie et de l'industrie. Comment fonctionne notre partenariat avec Yizhan ?
We first design a battery based on your needs. Once the battery solution is finalized, we begin production:
Step 1: Battery Selection and Sorting
The foundation of every battery pack begins with selecting high-quality cells. Yizhan sources lithium batteries from leading brands like Samsung and LG, as well as top domestic suppliers. Each incoming cell undergoes rigorous testing for voltage, capacity, internal resistance, and appearance. Cells are then sorted and grouped according to matching parameters to ensure balanced performance and a longer cycle life in the final battery pack.
Step 2: Cell Assembly and Configuration
After cell sorting, assembly begins. Based on customer needs and applications—whether it’s an e-bike, automated guided vehicle (AGV), robotics, or energy storage system—Yizhan’s engineers will design customized series and parallel configurations. Advanced spot welding machines are used to precisely connect the battery cells to the nickel ribbon, ensuring low resistance and high conductivity for efficient power delivery.
Step 3: Battery Management System (BMS) Integration
A key component of Yizhan’s lithium-ion battery pack is its intelligent battery management system (BMS). The BMS monitors parameters such as voltage, temperature, and current in real time to prevent battery overcharging, over-discharging, and short circuits. For high-end applications, Yizhan integrates the intelligent BMS with Bluetooth or CAN communication, allowing users to check battery status via mobile apps or industrial controllers.
Step 4: Structural Design and Enclosure Assembly
To ensure mechanical stability and protection, each battery pack is enclosed in a rugged enclosure designed to withstand vibration, shock, and environmental challenges. Yizhan utilizes durable materials such as aluminum alloy and PC+ABS plastic, along with reinforced internal supports and waterproof sealing technology. Factory engineers pay close attention to structural layout and insulation to ensure long-term durability and user safety.
Step 5: Welding, Wiring, and Connections
Precision and cleanliness are paramount during the welding and connection processes. Skilled technicians use automated laser welding and ultrasonic welding machines to ensure secure and uniform connections. All wiring harnesses and cables are neatly arranged and carefully inspected to prevent contact resistance or short circuits. Semi-finished battery packs undergo visual inspection and electrical testing before proceeding to the next stage.
Step 6: Aging and Performance Testing
Every Yizhan lithium battery pack undergoes a rigorous aging process to verify its reliability and stability. Aging tests simulate real-world charge and discharge cycles, evaluating the battery’s performance under varying load conditions. This ensures that every battery pack leaving the factory delivers consistent power output throughout its lifespan. Additional performance tests include vibration, temperature, and water resistance tests in accordance with international standards.
Step 7: Quality Inspection and Certification
Quality is at the core of Yizhan’s manufacturing philosophy. The company adheres to ISO 9001, ISO 14001, and IATF 16949 quality management systems to ensure consistency at every stage of production. Furthermore, its battery packs comply with major global safety standards such as UN38.3, UL2271, IEC 62133, EN50604, CE, and FCC certifications. These certifications enable Yizhan’s products to seamlessly enter the US, EU, and other global markets.
Step 8: Final Assembly and Packaging
After passing all tests, the battery pack is assembled with accessories such as connectors, communication cables, and protective covers. The packaging process is carefully designed to prevent damage during transportation. Each product is labeled with the model, voltage, capacity, and serial number, ensuring traceability and efficient after-sales service.

Yizhan Electronics serves customers in over 50 countries, including Europe, North America, Japan, and Southeast Asia. Its products are widely used in electric bicycles, scooters, automated guided vehicles (AGVs), medical devices, power tools, and renewable energy systems. The company’s dedicated export team provides one-stop services—from design consultation and technical support to logistics and after-sales assistance—to ensure a smooth experience for every partner.
Committed to Quality and Sustainability:
Sustainability is also a key principle of Yizhan’s operations. The company prioritizes environmentally responsible production practices, including efficient energy utilization, waste reduction, and recycled production materials. Its lithium-ion batteries are designed for a longer lifespan, reducing the need for frequent replacements and minimizing environmental impact.
Partnering
with Yizhan Electronics : As global demand for reliable and safe lithium-ion battery solutions continues to grow, Dongguan Yizhan Electronic Technology Co., Ltd. stands ready to support its global partners. With advanced production capabilities, strict quality control, and a customer-first approach, Yizhan is committed to creating a cleaner, more efficient future.
To learn more about Yizhan’s lithium battery manufacturing capabilities or to discuss custom projects, please visit the company website or contact the sales team at:
Email : sales@szfirstpower.com
A propos de Dongguan Yizhan Electronic Technology Co. Ltd.
Dongguan Yizhan Electronic Technology Co., Ltd. is a professional lithium battery
manufacturer specializing in customized battery pack solutions. With over 12 years of industry experience, Yizhan provides high-performance lithium batteries for electric bicycles, automated guided vehicles (AGVs), robots, medical devices, and energy storage systems. The company is committed to innovation, safety, and sustainability in every product it makes.