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 35.
Rated 5 out of 5 by from Excellent battery powered mower that competes favorably with gas mowers for smaller properties. Able to mow the entire lawn on a single charge. Power is excellent. Mulching works well enough that I don’t have to use the bag even when the grass is pretty high. Love the single lever height adjustment feature.
Date published: 2018-05-24
Rated 5 out of 5 by from The Real Deal I've owned just about every battery mower out there over the last ten years and this beats them all hands down. With Eco mode on I mowed my entire yard with about half a charge (the RMA 410 took 1 1/2 charges). The 21" cut means I'm done faster and the cut is clean and uniform. I like that I can run at full speed when cutting heavier grass. The large wheels make the mower easy to push in any terrain. I also like that the handle height can be set higher or lower as needed. The mower height adjustment is easy and very solid. Overall this is a great mower and I would recommend it to anyone who still thinks a battery mower can't compete with a gas mower. This one definitely can.
Date published: 2018-05-24
Rated 5 out of 5 by from Really like the added Eco feature! Just purchased this model/mower today. Was eager to put on the test and worked flawlessly! Hesitant to buy due to always relying on gas powered mowers, but this is totally worth it.. Buy the 500 series charger, and you’ll be set! Totally worth the $!
Date published: 2018-05-23
Rated 5 out of 5 by from Excellent mower The mower works flawlessly. I have been using the eco setting which matches the power to the load, and it works quite well. This is by far the best mower I’ve used, and the third brand of electric mower I’ve purchased. I wish that this was the first one I bought- there wouldn’t a need to purchase the others (now dead).
Date published: 2018-05-23
Rated 5 out of 5 by from FABULOUS mower, outstanding dealer! Bought from Becks Hardware, Goshen Ohio, dealership for Stihl. Mower is wonderful! Cuts well, great in even small spaces (next to road), battery charges very quickly. Becks kindly assembled it for me and charged the battery before I picked up!- ready to mow! Definitely recommend!
Date published: 2018-05-21
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
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