High-Capacity Rechargeable Lithium Polymer Battery
Ultra-lightweight 190mAh power cell with stable 3.7V output, ideal for compact electronics like wireless earbuds, mini drones, and portable medical devices.
Premium Polymer Material & Safe Design
Advanced lithium-polymer tech ensures high energy density, low self-discharge, and enhanced safety with built-in overcharge protection.
Precision Engineering for Durability
Sleek YJ402030 form factor (40x20x30mm) with flexible PCB and heat-resistant casing, engineered for prolonged cycle life (500+ charges).
Universal Compatibility
Perfect for DIY projects, IoT gadgets, and backup power solutions—seamlessly integrates with 3.7V systems.
Bulk Order Advantage
Direct factory pricing, wholesale discounts for bulk purchases, and global logistics support for businesses.
Certified Reliability
CE/RoHS compliant, meeting international standards for performance and environmental safety.