Curbed tank design rests comfortable against operator when carried over the shoulder. eXtreme Protection Technology (XPT) offers maximum protection against dust, debris and liquids for optimal performance in extreme conditions. Includes: 18V (3.0 Ah) Li-Ion battery BL1830B (194205-3), Rapid charger (DC18RC), Battery cover (450128-8), Strap (PR00000128).