3S 11.1V 40A & 4S 14.8V 40A Balanced Lithium Battery with Overcharge Protection for 18650 Electric Tools

This balanced lithium battery is designed for optimal performance with 18650 electric tools. It offers dual voltage configurations, supporting both 3S at 11.1V and 4S at 14.8V, each with a 40A current capacity. Built-in overcharge protection ensures safety and longevity, making it a reliable power source for demanding applications. Whether for professional or DIY projects, this battery provides consistent energy and efficient power management for various tools and equipment.