Customized Rechargeable Lithium Polymer Li-Ion Lipo Battery for Smart Watch
High-energy-density 3.7V lithium polymer battery ensures long-lasting power for smartwatches. Precision-engineered with ultra-thin design (450mAh/400mAh) to fit compact wearable devices seamlessly. Premium-grade Li-Ion cells deliver stable voltage output and 500+ charge cycles for extended lifespan. Customizable specs (size/connector/capacity) to match exact OEM smartwatch requirements. Built-in PCB protection against overcharge, over-discharge, and short circuits for ultimate safety. Ideal for fitness trackers, hybrid smartwatches, and IoT wearables requiring lightweight power solutions. Direct factory pricing with bulk discounts—global shipping for wholesalers and manufacturers.