The IMR18350 HIGH DRAIN 1200MAH battery from Keeppower is a 3.7V Li-Mn rechargeable battery that is provided in an ultra slim size of 18mm-diameter and 35mm-height. It has high capacity of 1200mAh, and can deliver max output of up to 16A. It has performace that better than other IMR types on the market, to fulfill users’needs. This battery is designed to be used in high-drain devices, such as flashlights and powered equipment. It is equipped with protection board and an interior PCB protection, providing a safe usage experience. It features several features, such as over-charge/discharge protection, short circuit protection, over-current protection, and low voltage protection. This battery is designed to last, providing excellent performance and reliability.