The NOVEL 3.7V 1800mAh 18650 Li-ion Battery Pack is a premium rechargeable power solution engineered for dependable backup performance across a wide range of electronic devices. Built with high-efficiency lithium-ion technology, this compact cylindrical battery delivers stable voltage output and a long cycle life, making it ideal for everyday use in portable electronics. Equipped with an integrated BMS (Battery Management System), the pack offers reliable protection against overcharging, over-discharging, over-current, and short-circuit conditions, ensuring safe operation at all times. The convenient JST 2-pin connector allows for easy plug-and-play installation. Key Specifications: - Battery Type: 18650 Li-ion - Nominal Voltage: 3.7V - Capacity: 1800mAh - Charging Voltage: 4.2V - Connector: JST 2 Pin - Approx. Size: 18mm × 65mm Suitable for biometric devices, POS machines, LED emergency lights, Bluetooth speakers, WiFi routers, CCTV backup systems, and DIY electronics projects. Lightweight and compact, this battery pack is a reliable power source for both home and professional applications. NOVEL batteries are designed to deliver reliable, stable, and long-lasting power for a wide range of electronic devices and DIY applications. Built using quality cells and advanced safety features, they provide dependable performance for gadgets, portable electronics, RC toys, CCTV systems, emergency lights, Bluetooth devices, routers, wearable devices, and more. Compact, lightweight, and easy to install, these batteries are manufactured by ELECTROV8 PVT LTD in India and are suitable for everyday power requirements.