The Milwaukee 48-11-1850R M18 Battery XC5.0 Ah is a high-quality lithium-ion battery designed for power tools. It has a 5.0 Ah capacity, making it suitable for long-lasting use. The battery features a red and black design with a non-slip base for secure handling. It comes with a 3-year manufacturer warranty, free priority shipping, and is factory sealed in a new retail package. With its genuine Milwaukee brand and red lithium technology, this battery is a reliable and efficient option for your power tool needs.