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Friendly Robotics RoboMower without Docking Station Model# RL-850

Item # FRROBORL850 (Part # RL850)
Fast Free Shipping & 45-Day Returns
Discontinued Brand new, USA Warranty




Recommended lawn size- For a lot size of up to 1/3 an acre (10,800ft? net lawn area). These lawns typically require traditional 21" mowers

Mowing modes-  Automatic mowing mode and Manual mowing mode

Mowing Height- 6 settings at the front and 2 at the rear
High Cut Blade: 1.75"-3.25"(44-81mm)
Low Cut Blade: 1"-2.5"(26-63mm)

Average area covered on a single charge- 5,400ft? (500m?)

Average Work Time- 2.5-3 hours

Drive Wheels - Knobby
(Recommended for lawns with high grass, sloping area and bumpy ground

Theft Guard- User controlled theft protection and disabling system using a personal password

General Specifications

35" l x 26" w x 12.5" h (89cm x 66.5cm x 31.5cm)

50lb. (22.6kg) Unit + 28lb. (12.6kg) Power Pack

Noise level
Measured - 85 db (A) (Guaranteed - 90 db)

User Interface
LCD display panel and audio
Intuitive and easy to use menus

Water resistance
Durable in all weather conditions & UV protected

Safety Features
Automatic Operation: RoboMower is self operated without user interference
Child Guard: help prevent children from operating the RoboMower
Lift Sensor: stops rotating the blades immediately when RoboMower? is lifted
Sensors equipped bumpers: Touch sensitive bumpers all around the RoboMower
Perimeter Switch: RoboMower cannot be operated in automatic mode if the Perimeter Switch is off
Over-Current Monitoring Protection: Mowing and Drive systems are monitored constantly during operation preventing them from over-heat
Other safety features which make RoboMower the safest way to mow your lawn


Mowing System
Patented Triple Chamber Mulching System

Mowing Width
3 Blades and a total cutting width of 21" (53cm)
Cuts 1.5cm outside the wheels

Grass types
Suitable for any grass type

Blades replacement
No tools required - Snap-fit by the user

Blades speed
5800 RPM

Mowing Power
5.5 HP equivalent

Mowing motors
3 x 150W motors


Power Pack
Exclusive Drop and Go 24-volt batteries
2 x 17 AH sealed lead acid (Maintenance-Free)

Charging time
Approximately 20 hours

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