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How to put a robot mower away for winter, brand by brand

A robot mower has nothing to do once your grass stops growing in the fall. Brands then want it charged, cleaned and stored somewhere dry until spring. The details change from brand to brand. One wants the battery at 85% full, another at 80%. Two of them give a storage temperature, and the other two just say to keep it indoors. This guide sets out what four brands tell you to do, so you can follow the one you own.

When to stop mowing for the year

Keep the mower running until the grass stops growing. Iowa State University’s yard and garden experts explain when to stop. Grass such as Kentucky bluegrass stops growing once daytime highs stay below 50°F. In central Iowa, that is usually early to mid November. Once the grass has stopped, they say the mower can go away for the winter.

Before you put it away, turn off its mowing schedule in the app. Mammotion’s LUBA 3 guide and one of Navimow’s guides both start with this step. Mammotion says this stops the battery from draining while the mower sits.

50°F
Daytime high that stops cool-season grass growing
85%
Battery charge Navimow and eufy ask for before storage
41°F
Coldest storage temperature Navimow allows (5°C)

What each brand asks you to do

Each of these brands writes its own winter steps, and some write a different set for each model. The table sums up four brands whose mowers we review. Read the section for your brand below it. If your model has its own winter page in the app or the manual, follow that.

Charge it firstWhere the mower goesThe charging station
Segway Navimow (i1, i2 AWD, i2 LiDAR)At least 85%, then turn on hibernationDry, no frost, 41°F to 113°F (5°C to 45°C)Unplug it, mark its spot with pegs, pack it away
Mammotion (LUBA 3 AWD)About 80%Clean, dry, out of rain and snow. Indoors if winters drop below -4°F (-20°C)Clean it. Bring it in too below -4°F
ECOVACS (GOAT)Full charge, then shut it downIndoorsIndoors, then back in the same spot in spring
eufy (E15)At least 85%, then power it offCool, dry, indoors, away from sun and heatersKeep it and its power supply dry and away from heat

Segway Navimow

Navimow publishes a winter guide for each of its i1 and i2 mowers. The i2 AWD guide covers the i210 AWD. One of them, the i2 LiDAR, steers with a laser scanner instead of satellites. The guides agree on the main steps. Charge the mower to at least 85%. Then turn on hibernation in the app. Navimow says hibernation uses less power than turning the mower off the normal way. In spring, charge the mower before you switch it back on.

Two of the guides, for the i1 and the laser-guided i2 LiDAR, add one more rule. If you skip hibernation, recharge the mower once every three months.

Next comes the charging station. Unplug it and take out its four screws. Then mark where it stood with four silicone pegs, and leave them in the ground all winter. The pegs come in the mower’s box, and they show you the exact spot in spring.

Some Navimow mowers use a small antenna on a pole to find their position by satellite. Our guide to wire-free mowers explains how that works. If the antenna stands on a pole in the ground, remove the head and the pole but leave the base. If you mounted it on a wall or a roof, leave it there and cover it with a plastic bag. Navimow warns that moving the antenna means drawing a new map next season.

Last, put on gloves and take the blades off. The i1 and i2 AWD guides say to brush the underside, rinse it with a hose and let it dry fully. Then pack the mower, the station and the cables back in the box. Keep the box somewhere dry and frost-free, between 41°F and 113°F (5°C to 45°C). The i2 AWD guide also says to keep it indoors.

Mammotion

Mammotion’s winter guide for the LUBA 3 AWD starts in the app. Turn off every mowing schedule, then charge the battery to about 80%. Press the cutting button twice to lower the blades. Then power the mower off and pull out its security key.

Clean it with a soft brush and a low-pressure washer. Mammotion says never to use a high-pressure washer. High-pressure water can get past the seals and into the bearings, plugs and sensors. Wipe the camera and laser windows with a lint-free cloth. Then leave the mower standing upright for at least 30 minutes, until it is completely dry. Clean the charging station too, including the metal contacts the mower charges through.

Mammotion asks for a clean, dry place out of rain and snow. If your winters often drop below -4°F (-20°C), it says to bring the mower, the charging station and its power supply indoors. If you have room in a garage or a shed, I’d bring it in anyway.

ECOVACS

ECOVACS keeps its winter advice short. Give the GOAT a full charge, shut it down, and move it indoors for the winter. ECOVACS also wants the charging station brought inside. It says the station’s signal cable and some of its electronics can freeze.

Bringing the station in is fine, but in spring it must go back in exactly the same place. If it does not, ECOVACS says the GOAT loses its saved map and you have to draw it again.

eufy

eufy keeps its storage steps for the E15 brief. Power the mower off with the battery at least 85% full. eufy says a battery that drains too far over winter can damage parts of the mower. So recharge it every 120 days while it is in storage.

Keep it somewhere cool and dry indoors, out of direct sun. Keep the mower, its base station and the power supply away from stoves, radiators and chemicals. The power supply also needs a dry spot with air moving around it.

The E15 does not use a pole or an antenna outside. So when you bring it in, there is no antenna to cover and no pole to take down.

Where to keep it over winter

Navimow sets a storage range of 41°F to 113°F (5°C to 45°C). A garage that drops below 41°F in winter is too cold for a Navimow. eufy and ECOVACS ask for indoor storage. Mammotion asks you to bring the LUBA 3 indoors if your winters often drop below -4°F.

A shelf or a dry corner of a utility room both work, as long as the spot meets your brand’s rules above. If you kept the box, Navimow’s guides say to pack everything back into it.

Getting it going again in spring

Start once the grass is growing again. If you lifted the charging station, put it back on the spot you marked. On a Navimow, plug it back in, and screw it down once the mower has docked, charged and mowed without errors. Navimow says to charge a hibernating mower before you power it on. Navimow also suggests you update the mower in the app before you start mowing. Mammotion suggests a quick look over the mower before its first spring run.

If the station or the antenna ended up somewhere new, plan to draw the lawn’s map again in the app. ECOVACS warns that the GOAT loses its saved map when its station moves. Turn the mowing schedule back on last, once the mower has charged.