The Milwaukee M12 6.0 Amp Lithium-Ion Cordless Battery Pack is a high-quality power tool accessory designed for use in various tools and workshop equipment. With a lithium-ion battery technology, this unit has a voltage of 12V and a battery capacity of 6 Ah, providing long-lasting power for your tools. The compact dimensions of 3.4 inches in length and 2.6 inches in width make it easy to handle and transport, ensuring you have reliable power wherever you go. Milwaukee is a trusted brand known for their durable and efficient batteries, making this cordless battery pack a reliable choice for your toolbox.