The Milwaukee M18 18-Volt Lithium-Ion High Output Starter Kit includes two 6.0 Ah batteries, providing a total capacity of 12.0 Ah for extended run time. The lithium-ion battery technology allows for efficient power delivery and long-lasting performance. This starter kit is designed for use with Milwaukee M18 cordless tools, offering a reliable and powerful source of power for various projects around the home or workshop. The compact and lightweight design makes it easy to transport and store, while the multicolor design adds a touch of style to your tool collection.