They supply around 40 pct additional run time than normal Ni-Cad batteries, and any XRP battery can be utilized with any 18-volt DEWALT tool, which lets you expand the body by adding other DEWALT cordless tools (sold separately) as the stress of the job grow.A tool's only useful if it runs long enough to have all assignments done, and also the DEWALT XRP extended run time batteries keep the DC618K operation at full tilt. The DC618K is included with one 18-volt XRP battery plus a 1-hour charger. The DC618K's motor design allows the tool to figure as fast because you do with consistent nail infiltration into both soft and hard joints. The 20-degree slanting magazine (with around 120-nail capacity) will accept DEWALT and Paslode 20-degree nails, and it's a rear-load magazine. You will have quick access towards the nosepiece for that removal of jammed nails with no using screwdrivers or tool wrenches, and also the contact trip lock-off enables trigger to become handicapped when not in use.