STIHL RMA 510 V 21 in. 36 V Battery Self Propelled Lawn Mower Tool Only Fencing Solutions Cord Lock Mulch ratio 15 Cord Lock Mulch ratio 15 Maximum Air Volume (CFM) 410 Refurbished No Required extension cord rating 14 gauge Product Weight (lb makes installation easy Delivery Offered N Department Number 7 DIFM Service Code N Display Only Item N Dollar Velocity Code Warranty Code N Old Default Base SKU Paint Code N Default Base SKU Accessory SKUs 2000246 36 V Battery Self Propelled Feature 10 Text Feature 1 Text Self propelled with variable speed drive a squee Feature 2 Text Brushless electric motor with ECO mode the motor Feature 3 Text Zero or low exhaust emissions Feature 4 Text Mower can be stowed in three positions: folded or Feature 5 Text Locking key key prevents accidental starting of Feature 6 Text No gradual drop in power