7.4v 5200mAh lithium ion battery pack for heating products

Cylindrical lithium ion battery pack
March 19, 2025
Video Description:
Discover the 3.7V 4000mAh rechargeable lithium polymer battery designed for heated gloves and winter gear. This high-capacity battery ensures long-lasting warmth with a compact size, perfect for heated clothing, jackets, and more. Learn about its specifications, charging methods, and versatile applications.