Home / RYOBI P11100 ONE+ 18V HP Brushless Whisper Series 20″ Self-Propelled Dual Blade Walk Behind Mower-(4) 4.0 Batteries and (2) Chargers

RYOBI P11100 ONE+ 18V HP Brushless Whisper Series 20″ Self-Propelled Dual Blade Walk Behind Mower-(4) 4.0 Batteries and (2) Chargers

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    RYOBI P11100 ONE+ 18V HP Brushless Whisper Series 20″ Self-Propelled Dual Blade Walk Behind Mower-(4) 4.0 Batteries and (2) Chargers

    RYOBI introduces the 18V ONE+ HP WHISPER SERIES CROSS CUT 20 in. Self-Propelled Lawn Mower the first ever 18V ONE+ WHISPER SERIES mower joining our quietest range of products. Combining 18V ONE+ HP technology with RYOBI lithium-ion batteries this WHISPER SERIES mower is our most powerful 18V ONE+ mower ever. With dual active battery ports this self-propelled rear wheel drive lawn mower will run up to 45-minutes with the included batteries ideal for yards 1/3 acre or less. When it is time to start cutting utilize the hassle-free push button start. With 3-in-1 capability choose your cut method: mulching bagging or side discharge. A 7-position single point height adjustment allows users to choose their ideal cut height from 1.5 in. to 4 in. When the job is done use the easy lift single motion bag removal to dispose of grass clippings. The CROSS CUT multi-blade system provides superior cutting performance and the 2 additional on-board battery storage compartments allows you to pause your cutting switch out batteries and extend your runtime with the two fresh batteries. The kit includes (4) 4Ah 18V ONE+ batteries to fill the (4) total battery ports. This kit also includes (2) rapid chargers that charge all 18V ONE+ batteries in 1 hour or less. When the job is done utilize the quick release handles to store this mower horizontally or vertically in a more compact space.

    • 18-Volt ONE+ HP technology delivers maximum performance
    • Whisper series: our quietest range of products
    • Cross cut multi-blade system for superior cutting performance
    • Up to 45-minutes of runtime per charge ideal for 1/3 acre or less
    • Self-propelled rear wheel drive
    • Hassle-free push button start
    • 3-in-1 mulching bagging capable and side discharge
    • Easy lift bag removal
    • 7-position single point height adjustment (1.5 in. to 4 in.)
    • Quick release handles for compact vertical storage
    • Includes dual active battery ports
    • 2 additional on-board battery storage compartments
    • Part of the RYOBI 18-Volt ONE+ system of over 260 cordless products
    • 3-year manufacturer’s warranty
    • California residentssee Prop 65 WARNINGS

     

    Dimensions

    Assembled Depth (in.)35 inAssembled Height (in.)43.23 in
    Assembled Width (in.)22.3 inBlade Length (in.)20 in
    Cutting Width (in.)20 inchesFront Wheel Size (in.)8
    Mower Deck Width (in.)20Rear Wheel Height (in.)High Wheel
    Rear Wheel Size (in.)10

    Details

    Amperage (amps)0 AAssembly RequiredYes
    Battery Amp Hours4 AhBattery Run Time (min.)45
    Battery TypeLithium IonBattery/Charger(4) 4 Ah Batteries & Charger Included
    (RB) CompliantRB CompliantCharge Time (hours)4
    Charger IncludedCharger IncludedCutting Height Options7-position
    Cutting OptionsBag Mulch Side-DischargeDeck MaterialPolymer Composite
    Deck TypeFabricatedDrive TypeRear-wheel Drive
    Engine Torque (ft.-lb.)0FeaturesAdjustable Cutting Height Assembly Required Bagger Brushless Motor Mulching Lawn Mower Residential Single-lever height adjustment Tool-free adjustments
    IncludedBagger Battery(s) ChargerLawn Mower TypeSelf-Propelled Lawn Mower
    Maximum Cutting Height (in.)4 inMinimum Cutting Height (in.)1.5
    Mower Size TypeStandardNumber of Batteries Required2
    Number of Blades2Number of Handlebar Positions1
    Number of Total Batteries Included4Power TypeBattery
    Product Weight (lb.)42 lbRecommended TerrainFlat Sloped
    RefurbishedNoReturnable90-Day
    Size of Yard1/4 – 1/2 AcreStart TypePush Button Start
    Tools IncludedBattery Charger MowerVoltage (v)18v
    Walk Behind Mower TypeSelf Propelled

    Warranty / Certifications

    Certifications and ListingsTUV ListedManufacturer Warranty3-year limited warranty

    RYOBIRYOBIRYOBI

    Manuals and Support

    • SDS
    • Replacement Part List
    • Warranty
    • Use and Care Manual