Stihl RMA 443 Battery Lawnmower Mower NG 7 Rivet Spinner Battery Shears NG 7 Rivet Spinner boost Up to 53 min 8) Boost mode working hours with AR 3000 L up to 85 min 2) Level 3 working hours with AR 3000 L up to 117 min 8) Battery run time with AR 2000 L (3) Up to 76 min 8) Battery run time with AP 200 up to 49 min 2) Battery run time with AP 200 (2) up to 21 min 2) Battery run time with AP 300 S up to 95 min Battery run time time AP 300 S (2) up to 38 min 2) Battery run time with AR 2000 (2) Up to 121 min 8) Battery working time with AR 2000 L Up to 315 min 8) Battery run time with AR 2000 L (2) Up to 146 min 8) Battery working time with AR 3000 L up to 500 min 8) Level 2 working hours with AR 3000 L up to 220 min 8) This lawn mower is built with a rugged polymer deck that is lightweight Recommended use with AK 20 S battery