The DEWALT XR FLEXVOLT range of machines offers performance for the toughest applications - without cables! The innovative, brushless motor technology of the DCMST911N cordless grass trimmer ensures higher performance, more compact dimensions and longer service life. The open battery cage improves balance and reduces weight. The cordless lawn trimmer DCMST911N is also equipped with an automatic tap-on, a D-ring handle for comfortable operation and an individually adjustable belt attachment with quick-release fastener for better weight distribution. The large QUICKLOAD spool has an increased line capacity up to 2.7mm (2.4mm line is included). By the way, the DEWALT 54 Volt XR FLEXVOLT Li-Ion batteries are backwards compatible and can also be used in almost all machines.