The Kobalt 40V Max Lithium-Ion Battery & Charger Set includes a powerful 40V battery and a charger designed to charge one battery at a time. The set is compact, with dimensions of 7 inches in height and 9 inches in length, making it easy to handle and store. The blue color adds a touch of vibrancy to the tool. Tested and confirmed to work great, this set is ideal for those looking for reliable power tool accessories.