The HiKOKI UC18YFSL is a charging set designed to keep your 14.4V and 18V Li-ion power tools running without interruption. This specific package includes the charger along with two 18V batteries, each featuring a battery capacity of 2 Ah to balance weight and runtime for your tasks. To ensure the longevity of the cells and a steady charging process, the unit features an integrated cooling system that manages heat during operation. These batteries utilize Li18 Technology, making them a reliable power source for users who need a ready-to-go energy supply for their cordless equipment.