Stihl 21-Inch Battery Powered Self-Propelled Walk-Behind Lawn Mower

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21-Inch Battery Powered Self-Propelled Walk-Behind Lawn Mower


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* Estimated stock levels as of Thu, Sep 23, 2021. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.

  • Caring for Nature: Zero Emissions
  • Can be stored in three positions: folded, unfolded, and in upright cleaning position
  • Key prevents accidental starting of the motor.
  • Lithium-Ion battery power eliminates the mess and expense of fuel mixtures.
  • No gradual drop in power, so you can work at full speed until battery is depleted.


The first self-propelled lawn mower in the STIHL AP battery series delivers a powerful and convenient mowing experience for the suburban homeowner. Just the squeeze of a lever engages the RMA 510V battery-powered lawn mowers efficiency driven performance, helping reduce user fatigue commonly caused by traditional push mowers. A 21-inch deck with a 20-inch cutting width makes the RMA 510V highly maneuverable and able to quickly cover small-to-medium size yards. The mowers self-propel function features a variable speed setting control, allowing the user to choose a mowing speed between 0.6 mph to 2.8 mph. With the 36-volt STIHL AP 300 battery, the RMA 510V can mow up to 2,583 square feet on a single charge. With battery, users can enjoy instant starting, low noise, zero gasoline costs, and zero exhaust emissions. For added convenience and customization, the deck of the RMA 510V is adjustable to seven different cutting heights. The handlebar adjusts to three height positions for user comfort. Durable, 10-inch rear wheels and 8-inch front ball-bearing wheels allow for mowing over rough terrain. Includes AP 300 Battery, AL 300 Battery Charger, and Battery Cover.



Battery AP Series Lithium-Ion
Color Orange
Cutting height, max (approximate) 3.9 in
Cutting height, min (approximate) 1 in
Deck Width 21 in
Discharge Mulch, Side, Bag
Drive Speed 0.6 - 2.8 mph
Engine Brushless Electric
Front Wheels 8 in
Height Positions 7
Rear Wheel Size 10 in
Self Propelled Yes
Type Electric Lawn Mower
Voltage 36


Cutting Path 20 in
Weight 66.1 lbs

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