3.7V 800mAh Rechargeable Li-ion Battery manufactured using high-quality 14500 lithium-ion cells and equipped with a JST Connector for secure and reliable connectivity. Designed to deliver stable power output and extended backup performances, this battery pack is ideal for electronics, robotics, DIY projects, security systems, and portable power applications. Built with an advanced BMS protection circuit that safeguards against overcharging, over-discharging, over-current, and short circuits, ensuring maximum safety and longer battery life. Lightweight, compact, durable, and rechargeable, this battery pack provides dependable performance with up to 500+ charge cycles.