Lawn Care

Sunseeker L22 Plus Robotic Lawn Mower Review: Quiet, Smart, and Hands-Free Lawn Care

A boundary-wire robotic mower with mulching razor blades, ultrasonic obstacle avoidance, and a 3-year warranty.

Compact robotic lawn mower with LED headlights on a trimmed lawn

Introduction

If you have ever considered trading in your traditional mower for something that works on its own, the Sunseeker L22 Plus robotic lawn mower is worth a close look. It is a boundary-wire model, meaning a wire defines the mowing area, and once installed it quietly keeps your lawn trimmed on a regular schedule. In this review, we break down what it cuts like, how it navigates, and what to know before you commit.

Who This Mower Is For

The L22 Plus is aimed at homeowners who want a consistently fresh-looking lawn without weekly mowing sessions. Because it is designed to cut regularly and mulch clippings back into the lawn, it suits people who value lawn health as much as convenience. It is also a good fit for larger properties: Sunseeker makes two models, with the standard L22 covering lawns up to 0.3 acres and the L22 Plus capable of maintaining properties up to 6 acres.

Cutting Performance and Deck Design

The mower uses a rotating disc with three razor blades and an 8.7-inch cutting swath. Because it cuts a little and often, the lawn stays fresh, and the mulched clippings return nutrients to help maintain healthier grass. Adjusting the deck height is simple with a mechanical dial on top of the mower, with a cut range from 1.6 inches up to 3.2 inches.

Robotic mower cutting a neat striped pattern across a green lawn

There is also a built-in float cutting feature that raises the deck when the mower encounters uneven terrain, which helps it cope with bumps without scalping the lawn. The aggressive tread on the wheels gives the mower the traction it needs to handle thicker grass species and slopes up to 20 degrees.

Boundary Wire Installation and Mapping

Setting up the boundary wire is a straightforward process. You begin by finding an appropriate place for the charging station, run the wire around the perimeter of your yard, and create exclusion zones if needed. From there, the mower takes over.

Boundary wire pinned along a lawn edge near a flower bed

Despite being a boundary-wire mower, the unit also includes a mapping function. As it works, it creates a map of your yard and can even optimize a mowing schedule based on that map, learning the most efficient routes within the boundaries you have set.

Safety Features and Quiet Operation

Safety is a clear priority in the design. Two ultrasonic sensors help the L22 Plus avoid obstacles in its path, and the ground clearance of the housing is very low. If someone picks up the mower, it tilts too far, lifts up, or detects a collision, the blades stop spinning automatically. LED headlights help others see where the mower is in low or no light conditions.

Robotic mower docked at its charging station on a lawn

Noise is another strong point: the mower operates at just 52 dB, so it makes very little sound and you can pretty much mow at any time of day or night. Once the battery runs low or the job is done, it automatically returns to its charging base to recharge.

App Control and Smart Home Integration

The L22 Plus features super Wi-Fi, offering connectivity on larger lawns. Through the app you can adjust most settings, set the schedule, and send control commands. If you use Amazon Alexa or Google Home, the mower can also be integrated into your smart home system.

Smartphone app controlling a robotic mower beside a garden chair

Maintenance stays simple as well. When the mower picks up dirt or grass buildup, a gentle spray from a hose washes it off, and the blade should be replaced about every 90 days, with two extra sets included in the box.

Buying Advice

The L22 Plus makes the most sense for owners of larger lawns who are comfortable with a one-time boundary wire installation in exchange for genuinely hands-free upkeep. If your lawn is small, the standard L22 may be the more appropriate model, and both include a 3-year warranty. The mower also won a retailer’s choice award at the 2023 National Hardware Show, which adds some external validation to the package.

Conclusion

The Sunseeker L22 Plus is a feature-packed robotic lawn mower that makes lawn care easier and more efficient. It is quiet, safe, and smart, with useful touches like float cutting, obstacle avoidance, and app-based scheduling. If you want to free up your hands and enjoy an effortless lawn care experience, it is a compelling option to consider.

Product link

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