DEWALT DCB180 Cordless Drill Battery Replacement Type: Li-ion Volt: 18V Capacity: 4000mAh Color: Yellow Weight: 1220g Dimension: 130 x 93.4 x 83mm Please go to buy this battery on http://www.drillbattery.co.uk/batterysale.php/dewalt_DCB180_power+tool+battery.html ;