High-quality Rechargeable Lithium Battery with Premium Safety Certifications

UL2054/CB/KC/UN38.3 certified for guaranteed safety and reliability, ensuring compliance with international standards.

553640 model with 3.7V voltage and 850mAh capacity, delivering stable and long-lasting power for small electronic devices.

Premium li-polymer (Lipo) construction for lightweight design, high energy density, and superior performance in compact applications.

Ideal for smart wearables, medical devices, IoT gadgets, and portable electronics requiring a slim yet powerful battery solution.

Precision-engineered with advanced power management to prevent overcharging, overheating, and short circuits.

Global wholesale pricing available—bulk orders welcome for resellers and manufacturers seeking cost-effective, high-performance power solutions.