The Zivon 1S 18650 battery with JST SM-2Pin connector and built-in Battery Management System (BMS) is a high-performance and versatile lithium-ion power source ideal for a range of portable and high-drain electronic devices. Delivering a nominal voltage of 3.7V, this battery is engineered for enhanced operational reliability and safety, with its integrated BMS providing crucial protection against overcharging, over-discharging, and short circuits. The standardized JST SM-2Pin connector ensures effortless integration and secure, tool-free connection, allowing easy battery swaps and plug-and-play compatibility in applications such as flashlights, Bluetooth speakers, wireless gadgets, wearable electronics, RC toys, and security equipment. Its robust construction and high cycle life guarantee consistent performance and efficient charge retention, making it suitable for both professional and hobbyist use. Designed to meet flexible power requirements, the Zivon 1S 18650 battery can be used as a solo cell or assembled into multiple-cell packs for higher capacity needs. Its compact yet powerful design makes it an essential choice for manufacturers and users seeking dependable, rechargeable energy in modern devices, while its built-in protection circuitry ensures long-term safety and reliable function across a wide variety of demanding portable electronic applications.