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Bosch VISIMOW18V-100 vs. Yard Force MB800 compared

Robot Lawn Mower

At a glance

The key numbers for both devices side by side.

Overall rating
47Schwach
49Schwach
Value for money
38Mediocre
45Okay
Best price
€300.37€449.99−33 %
€349.90€399.90−13 %
Price advantage
€49.53 cheaper
—
Offers
2 shops
1 shop
Rank in category
Rank 71 of 80
Rank 68 of 80

Rating

Sub-ratings compared

Bosch VISIMOW18V-100Overall rating 47Yard Force MB800Overall rating 49
MowingresultsNavigation& reliabilitySetup & appNoise levelSafetyBuildquality & ease of use
Bosch VISIMOW18V-100Yard Force MB800
Mowing results54/10056/100
Navigation & reliability45/10045/100
Setup & app35/10046/100
Noise level75/10050/100
Safety35/10042/100
Build quality & ease of use42/10053/100
Mowing results
54
56
Navigation & reliability
45
45
Setup & app
35
46
Noise level
75
50
Safety
35
42
Build quality & ease of use
42
53

Specs

Specs compared

Key specs

Model
VISIMOW18V-100
MB800
Max. lawn areaLargest lawn area according to the manufacturer in m², the highest if several figures are given (e.g. per mowing pattern) – buy with some margin, the mower manages less in winding gardens
100 m² (1,076 sq ft)
800 m² (8,611 sq ft)
NavigationHow the mower detects its area according to the manufacturer – everything except boundary wire works without laying a wire; RTK needs open sky, while under trees and next to house walls a camera or LiDAR helps
AI camera
Boundary wire
No boundary wireWorks without a laid boundary wire according to the manufacturer, e.g. using RTK-GNSS, a camera or LiDAR
Yes
No
Mowing patternHow the mower covers the lawn according to the manufacturer – randomly in all directions or in orderly lanes; lanes finish faster and leave a striped look
Random
Max. inclineMaximum slope according to the manufacturer in percent, not degrees – 45% is roughly 24 degrees
35 %
40 %
Obstacle detectionHow the mower detects obstacles according to the manufacturer – a camera and LiDAR steer around them before it bumps into them; whether it also spots small animals such as hedgehogs, only test reports can show
Camera/AIUltrasonicBump sensor
Bump sensor
Cutting widthCutting width according to the manufacturer in cm – wider mows faster
16 cm (6.3 in)
18 cm (7.1 in)

Mowing & drive

Min. cutting heightLowest adjustable cutting height according to the manufacturer in mm
20 mm (0.79 in)
20 mm (0.79 in)
Max. cutting heightHighest adjustable cutting height according to the manufacturer in mm
60 mm (2.4 in)
60 mm (2.4 in)
Cutting height adjustmentHow the cutting height is adjusted according to the manufacturer – electric adjustment works via app or display
Manual
Edge cuttingMows close to edges and flower beds according to the manufacturer – less trimming left to do
No
Yes
Sound power levelGuaranteed sound power level according to the manufacturer in dB – not the sound pressure at your ear, which is considerably lower
54 dB

Battery

Battery capacityRated battery capacity according to the manufacturer in Ah – divide mAh figures by 1,000
4 Ah
2.5 Ah
Mowing time per chargeMowing time on a full charge according to the manufacturer in minutes
240 min
80 min
Charging timeCharging time from empty to full according to the manufacturer in minutes
90 min

App & safety

ConnectivityConnections according to the manufacturer – with cellular, the mower stays in touch even without Wi-Fi in the garden, usually with a subscription
Bluetooth
App controlSchedules, zones and status via app according to the manufacturer
No
Yes
Voice control & smart homeHow the appliance can be controlled according to the manufacturer
Manufacturer app
Multiple zonesMultiple mowing zones or maps according to the manufacturer – for front and back yards
Yes
Rain sensorStops mowing when it rains and returns to the charging station, according to the manufacturer
No
Yes
Anti-theft protectionTheft protection according to the manufacturer – GPS tracking helps find a stolen mower, a geofence raises the alarm as soon as it leaves its area
PINAlarm
RTK base stationWhether RTK-GNSS requires a separate base station according to the manufacturer, and whether it is included
Not required (network RTK)

Dimensions & weight

WeightWeight of the mower according to the manufacturer in kg
6.9 kg (15 lb)
14.6 kg (32 lb)
IP ratingDust and water protection according to the manufacturer – from IPX5, the mower can be hosed down with a garden hose
IPX5

General

Warranty
2 years
3 years
Price segment
Budget
Budget
Model year
2026
2021
In the box
VISIMOW18V-100, Akku 18V 4.0Ah, Ladegerät AL 18V-44, 9 x Ersatzmesser und Schrauben
Mähroboter, Ladestation, 150 m Begrenzungskabel, 200 Heringe, 9 m Netzkabel, 6 Klingen, 3 Verbinder, Abstandslineal

Prices

Offers

Bosch VISIMOW18V-100

Yard Force MB800

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Verdict

Pros & cons

Der Bosch VISIMOW18V-100 ist ein Mäher ohne Draht, Station und App, den du für jeden Einsatz von Hand startest. Auf klar eingefassten Rasen bis etwa 70 m² schneidet er gleichmäßig und mit 44 dB(A) leise. Der Haken: Am Rand bleiben 8 bis 30 cm stehen, Bälle und Kleidung übersieht die Kamera, und der Akku sitzt schwergängig im Fach.

Pros

  • Gleichmäßiges Schnittbild ohne Streifen auf kleinen Flächen
  • Ohne Draht, Station und Kartierung in Sekunden startklar
  • Leise mit 44 dB(A) Schalldruck
  • Akku reicht für rund dreieinhalb Stunden Mähen
  • Erkennt Mauern, Hecken und Platten zuverlässig
  • Nutzt 18-V-Akkus der Power-for-All-Allianz

Cons

  • Akkuentnahme schwergängig, nötig nach jedem Einsatz
  • Am Rand bleiben 8 bis 30 cm ungemäht
  • Überfährt Bälle, Kleidung und kleines Werkzeug
  • Fährt sich in engen Durchgängen und Löchern fest
  • Kein Zeitplan, keine App, Updates nur per USB

Der Yard Force MB800 ist ein einfacher Drahtmäher von 2021 für offene Rasen bis etwa 550 m². Steigungen bis 40 %, Wechselakku der CR20-Reihe und Regensensor decken die Grundlagen ab. Der Haken: Hindernisse erkennt er nur per Stoßsensor, flache Gegenstände überfährt er oft, die App reicht per Bluetooth nur wenige Meter, und am Rand bleibt ein Streifen stehen. Lohnend ist er nur im Aktionsangebot statt zur UVP.

Pros

  • Bewältigt Steigungen bis 40 % ohne Allrad
  • Wechselakku der CR20-Reihe passt auch in andere Yard-Force-Geräte
  • Schnitthöhe zentral in fünf Stufen von 20 bis 60 mm
  • Bürstenloser Motor ohne verschleißende Kohlebürsten
  • Sechs Ersatzklingen und 150 m Draht im Lieferumfang
  • Software-Updates bis Oktober 2031 zugesagt

Cons

  • Erkennt Hindernisse nur per Stoß, flache Gegenstände bleiben oft unerkannt
  • App nur per Bluetooth, Steuerung nur in wenigen Metern Nähe
  • Randschnitt lässt Streifen stehen, Trimmer alle ein bis zwei Wochen nötig
  • Nur 80 min Mähzeit bei 90 min Ladedauer
  • In einer Rezension Akkuausfall ohne lieferbaren Ersatz

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