
Customized Size 3.7V Lithium Ion Battery Lithium Cell for Electric Toys. Large-Scale Manufacturing: Monthly capacity exceeds 3.5 million batteries with 200 advanced machines. Comprehensive Quality Control: Full system from IQC to OQC ensures safety and reliability of every battery. Extensive R&D Experience: Core team has over 20 years of experience in electrochemical field. Wide Application Range: Products used in consumer electronics, smart homes, healthcare, and toys. Multiple Certifications: CE, UL, KC, CB, IEC, UN38.3, MSDS, and CCC available for export. Flexible Customization: Full customization, minor customization, and flexible options available. Two-Year Warranty: Comprehensive warranty coverage for all mechanical defects. Fast Delivery Options: Immediate delivery for stock items; estimated lead time for custom orders.