High-capacity 602040 LiPo battery with 350/400/450mAh options for extended device runtime

Premium lithium polymer construction ensures stable 3.7V output and enhanced safety features

Precision-engineered compact design (6.0×20×40mm) fits seamlessly in digital gadgets and wearable tech

Built-in protection circuits prevent overcharge/overdischarge for reliable long-term performance

Ideal for smartwatches, wireless earbuds, mini drones, and compact IoT devices

Grade-A battery cells with 500+ charge cycles maintain consistent power delivery

Ultra-thin lightweight build (under 15g) optimizes portable device performance

Factory-direct pricing with bulk discounts for resellers and OEM manufacturers