The Original Milwaukee 48-11-2230 18V Battery is a reliable and high-quality power tool accessory designed for use in various tools and equipment. With a voltage of 18V and a nickel-cadmium battery technology, this black battery offers long-lasting power for your projects. The Milwaukee brand is known for its durability and performance, making this battery a dependable choice for your tool needs. Though this battery is untested, it is a genuine Milwaukee product that comes with the trusted quality and reliability associated with the brand.