UL/CB/KC Certified Rechargeable 3.7V 750mAh Lithium-Ion Battery 603040 Li-Ion Polymer Battery
Premium-grade lithium-ion polymer battery with ultra-stable 3.7V output and 750mAh capacity, ideal for compact electronics requiring reliable power. UL, CB, and KC certified for global safety compliance, ensuring risk-free use in consumer electronics, medical devices, and IoT applications. Precision-engineered 603040 slim form factor (6.0mm thickness, 30mm width, 40mm length) maximizes space efficiency in wearables, Bluetooth earphones, and portable gadgets. High-density Li-Po cells deliver 500+ charge cycles with minimal capacity loss, backed by built-in protection against overcharge, overheating, and short circuits. Customizable terminals and wiring options available for bulk OEM/ODM orders—seamless integration for mass production needs. Global wholesale pricing with MOQ flexibility—direct factory supply cuts middleman costs for unbeatable value.