A high ranked robot grass cutter
Indeed the Robotic mower r50li is one of the favorites for small gardens, not bigger than 500 m2(0.12 ACRE).
It does the job while you enjoy your free time, one great feature is that he recharges at the station on his own.
The Gardena 4077 is set with razor blades very, very sharp Powerful 18V/1.6Ah rechargeable lithium ion battery.

There´s nothing more relaxing that put your feet on a green carpet of grass, after you enter into the robot lawn mower world it becomes a daily routine.

Excellent cutting result – no need to remove the grass clippings
Continuous yet gentle cutting of grass tips gives a lush, green lawn. The fine grass clippings remain on the lawn as a natural fertiliser (mulch function) and there is no need to collect the grass (as with an electric or petrol lawnmower).
Check it out this video
Specifications
Working area capacity (±20): | 500 m² |
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Battery type: | Li-Ion |
Mean energy consumption at maximum use: | 4 kWh |
Sound level Guaranteed: | 58 dB(A) |


FINAL CONCERNS
The Sensor cut system is extremely accurate, just set the length that you desire and you have a clean and plain area, like carpet of lawn with no stripes.
Another great thing is that you can´t barely hear it,the Gardena robot lawn mower is very quiet and it returns fully automatically to the charging station.
The robotic mower is programmable, it will work when you require it.