RMA 510 - $319.95 DSRP


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A 21" walk-behind battery-powered lawn mower that delivers the power and run time to handle small to medium suburban yards. Batteries and chargers can be purchased separately or as a set combined with tool.

There’s a lot to love about the RMA 510 battery-powered lawn mower from STIHL. First is its performance. Part of the AP Series, the RMA 510 features a 21" deck for faster cutting than previous models. It’s also convenient – enjoy instant starting, less noise, zero gasoline costs and zero exhaust emissions. The RMA 510 also includes a holding slot for a second battery so you can swap batteries and ...Read More
Print Spec Sheets
RMA 510 Specifications
WEIGHT w/o Battery 28.1 kg. (62.0 lbs.)
w/ AP 300 29.8 kg. (65.8 lbs.)
AREA MOWED Approx. 5,100 sq. ft. w/ AP 300 on a single charge
CUTTING HEIGHT 1 3/8 in. – 3 3/4 in.
DECK WIDTH 53.3 cm. (21 in.)
WATTS 1,100 W
Batteries and chargers can be purchased separately or as a set combined with tool. *Run times may vary and depend on the battery used, charge level of battery, condition of the grass, and user's operating technique.
Model Features
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    Reduced-Emission Engine Technology - Caring for Nature
    The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

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    Battery Life
    No gradual drop in power, so you can work at full speed until battery is depleted.

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    Power Switch
    Instant startup, just push the button and pull the switch lever.

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Important Information
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Click to view the STIHL Limited Warranty Time Periods
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STIHL Dealer Days are Ending Soon!

RMA 510 is rated 4.8 out of 5 by 30.
Rated 5 out of 5 by from You just turn it on and cut the grass, I love it. Lots of power This makes cutting the grass so much easier. It cuts my entire lawn on one charge. It never bogs down and is easy to push.
Date published: 2018-05-17
Rated 5 out of 5 by from I always wanted a battery powered lawn mower and so glad I got the best! I have waited a long time to buy a battery powered lawn mower. I did lots of reading on the Internet about "electric" lawn mowers and even consulted Consumer's Reports. When I felt sufficiently knowledgeable (being able to ask intelligent questions) I contacted a local business who suggested I look at STIHL. I've only mowed twice so far with my RMA 510 but I'm in love with it right from the start.Easy to push and maneuver, lighter than my gas mower, much quieter (I no longer wear my earmuffs) and good for the environment. I both mulch and bag grass clippings. Taking out the mulching device is simple and easy. The suction power using the bag is amazing. The bag is almost always completely full when I stop to empty it and the bag's size and configuration make it so easy to empty. Raising and lowering the wheels is also extremely easy with the one lever. I'm impressed with the power of the mower and the life of the battery on a single charge. It also does not take long to recharge the battery. On my first mowing I had areas with pretty tall grass and the mower just ate right through it. The mowed area appears very even when done. The mower will slow down if the grass is tall and thick with previous growth. I don't want anyone to think you can go out and mow a tall thick pasture with this mower. Being 64 and having a bad back it's a dream to push a button and pull a lever back to start the mower! At this point I have nothing bad to say about this mower. My one suggestion would be to add a sensor that alerts you when the bag is full. I hope to gain some experience with time on determining when the bag is full but right now it pushes just as easily empty as it does with a full bag!
Date published: 2018-05-10
Rated 5 out of 5 by from awesome power my yard was almost knee high in grass and my Stihl cut through like a gas mower down to a golf coarse green. Wow so quiet my wife did not know I even cut the grass in the front yard.
Date published: 2018-04-28
Rated 5 out of 5 by from Great mower for small to medium size yards plenty of power Great mower with my medium size yard I can get an entire mow and trim with my electric STIHL trimmer that uses same battery and charge to spare. Highly recommend and doesn’t have that gas smell when sitting in garage!!!
Date published: 2018-04-26
Rated 5 out of 5 by from Very Impressive! I was amazed at how much lawn I can mow on a single charge. Excellent cutting capability and charges very fast. No need for really anyone to buy a gas powered lawn mower unless you need self propelled.
Date published: 2018-04-18
Rated 5 out of 5 by from Pleased with my purchase I am a female, 51, and live in a very hot climate. The battery operated lawn mower is very easy to use. There is pushing involved, but it isn't difficult. It is not a silent mower, but isn't loud either. I mowed this morning at 6:30 am to avoid the heat, and didn't feel like I was waking anyone up in the neighborhood. That's a plus. It is nice to not have to deal with oil and gas and the issues that come with all of that. Simply pop in the battery and go. I have a normal (not large, not small) yard and can mow the entire yard on one battery charge. Extremely pleased. I also have a battery operated blower. The line trimmer is next to be purchased, and then a shrub trimmer. I am glad that I do not have to rely on a yard crew anymore. I have had a hard time finding a good one lately and prefer to do it myself. The Stihl battery operated lawnmower is perfect for me.
Date published: 2018-04-16
Rated 5 out of 5 by from Easy to push. I was worried this mower would be too heavy to push for my inclined yard but it is not and is easier to push than my previous Newton mower.
Date published: 2018-04-07
Rated 5 out of 5 by from Best lawn mower I've ever owned. I own the 510 lawn mower, FSA 85 trimmer and the BGA 85 blower. All use the same battery. I have a decent size yard for living in the city and have loved owning this set up. I only have one battery but have never had a problem with battery power and getting my yard squared away. Proper recharging planning makes it seem like I never run out of power. I never have to deal with running out of gas or something not starting. Mower stands on end for easy washing when done. It's really great. Thanks Stihl.
Date published: 2018-03-02
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