UL1642 Certified 403035 400mAh Lithium Polymer Battery – High-Performance Power for IoT Devices
Premium 3.7V lithium polymer battery with UL1642 safety certification, ensuring reliable and stable power output. Lightweight and compact 403035 size (40×30×3.5mm) ideal for space-constrained IoT applications. Precision-engineered with high-density LiPo cell technology, delivering consistent 400mAh capacity for extended device runtime. Built-in multi-protection circuit prevents overcharge, over-discharge, and short circuits. Perfect for smart sensors, wearable tech, wireless earbuds, and small electronic gadgets. Bulk discounts available—global wholesale supplier with unbeatable pricing.