The Skil 18V NI-CD Slide Pack Battery SB18A is a high-quality power tool battery designed for home and garden use. With a voltage of 18V and Lithium-Ion battery technology, this battery provides reliable power for a variety of tools and equipment. The Skil SB18A model is known for its durability and compatibility with a range of power tools, making it a convenient and efficient choice for DIY enthusiasts and professionals alike.