High-Capacity Rechargeable Lithium Polymer Battery
Ultra-lightweight YJ802030 design with 420mAh capacity and stable 3.7V output, ideal for compact electronics like wireless earbuds, mini drones, and smart wearables. Precision-engineered with premium LiPo cells for enhanced energy density and 500+ charge cycles.
Advanced Safety & Durability
Features built-in overcharge/discharge protection and heat-resistant polymer casing, ensuring safe operation in medical devices, IoT sensors, and portable gadgets.
Global Compliance & Bulk Savings
Certified for international shipping, wholesale-ready pricing with MOQ flexibility. Perfect for OEMs, distributors, and DIY enthusiasts sourcing reliable power solutions at unbeatable rates.