How long will my 24V-MJ14C run with the included battery? The 24V-MJ14C with our 4.0-Ah battery has up to 30 minutes of run time and is capable of cutting up to 1,720 sq ft of grass. Related articles Is there a side discharge chute if you are not using the collection bag? My mower is not starting up. What are some potential issues? What kind of detergent should I use with the SPX-FC34? How do I advance the spool of the trimmer's string? How do I assemble my 24V-X2-21LM?