This is the genuine MAKITA 18V LXT Lithium-Ion 4.0Ah Battery with a charger kit, new in the box. It's designed with a 4 Ah battery capacity and a voltage of 18 V, perfect for power tool and air tool accessories. The battery technology used in this product is Lithium-Ion (Li-Ion), which ensures high performance and long-lasting usage. The brand of this battery is Makita, which is known for its high-quality power tools and accessories. The color of the battery is black and it has a height of 9.75 inches. This product is perfect for all your home and garden needs.