Black & Decker PS120 Fire Storm 9.6-Volt Hour NiCad Pod Style Battery Compatible with all 9-3/5-Volt Fire Storm models Supplies up to 500 recharges Powerful, long-lasting and built to last Dimensions: 7.2 by 6.0 by 3.8-Inch (Width by Height by Depth); weighs 1.1-Pound Includes a 2-year warranty