The Zivon 1S 18650 battery pack (without BMS), shown here with a 3.7V 2900mAh lithium-ion cell, is designed to offer maximum versatility and convenience for users who need reliable power across varied devices and projects. This battery pack stands out with its inclusion of multiple connector options—JST-SM-2Pin, JST-PH-2mm, and JST-XH-2.5mm—which makes it compatible with a wide range of electronics, DIY kits, robotics, RC models, LED lighting systems, and portable appliances. The supplied connectors allow users to easily adapt the battery for their specific application, minimizing the need for additional wiring or connector changes. Also included are four pieces of heat shrink tubing, allowing for secure and insulated wire connections to prevent short circuits and enhance overall safety during installation or maintenance. This design is particularly beneficial for hobbyists, educators, prototypers, and engineers who often work with different connector standards. The absence of a built-in Battery Management System (BMS) keeps the battery lightweight and compact, suitable for devices that feature their own protection circuitry. With its high capacity, reliable performance, and flexible connectivity, the Zivon 1S 18650 multi-connector battery pack is a practical, adaptable, and user-friendly power solution for a diverse range of electronics and creative projects.