Wosente Battery | Professional Lithium-ion Battery Manufacturer & OEM/ODM Custom Solutions

Wosente is a leading Chinese battery factory specializing in high-performance lithium-ion batteries, including mobile phone batteries and energy storage systems (ESS). We provide reliable OEM/ODM services with ISO certification and global safety standards. Contact us for bulk wholesale and custom battery pack solutions.

IPHONE battery product line

WOSENTE Technology&Quality

1. Advanced Automated Production

Wosente utilizes industry-leading fully automated cell sorting and module assembly lines to ensure a high degree of product consistency.

High-Precision Spot Welding: Employs CNC automated spot welding to ensure uniform and robust solder joints. This effectively reduces internal resistance and enhances high-current discharge performance.

Precision Insulation & Encapsulation: Strict automated packaging processes ensure batteries are moisture-proof and shock-resistant, extending service life in complex environments.

2. Smart BMS & Cell Technology

We provide more than just battery cells; we provide the "intelligent heart" of your power system.

Premium Grade-A Cells: We exclusively use brand-new Grade-A high-energy-density cells, offering a cycle life more than 20% longer than the industry average.

Proprietary High-Precision BMS: Equipped with our self-developed Smart Battery Management System (BMS). It features four core protections—overcharge, over-discharge, short-circuit, and temperature monitoring—ensuring zero accidents even in extreme environments.

3. Rigorous 5-Step Quality Control

Every battery leaving the factory must pass a "hardcore" testing protocol:

Cell Capacity Grading: 100% charge/discharge testing to ensure zero false capacity labeling.

Cycle Life & Aging Test: Simulated high-intensity usage scenarios to guarantee long-term stability.

Drop & Impact Testing: Simulated logistics and accidental impact scenarios to verify structural reliability.

Extreme Temperature Testing: Ensures stable operation within a temperature range of -20°C to 60°C.

Final Factory Inspection: 100% full inspection of appearance, voltage, and internal resistance.

4. Global Safety Compliance

Wosente is committed to compliant operations. Our production facility is ISO 9001:2015 certified.

Products fully comply with international export standards, including CE, RoHS, UN38.3, MSDS, and IEC 62133.

We provide comprehensive Transportation Identification Reports to ensure hassle-free global air and sea freight compliance.