How to winterize a robot lawn mower for cold-weather storage

Robot mowers need a different winter routine from gas models. This guide walks you through timing your last cut, cleaning the machine, sorting the battery and storing the mower and dock somewhere dry so it starts cleanly in spring. It suits anyone running a robotic mower such as the Dreame A3 AWD Pro.

DON'T Put Your Robot Mower Away for Winter Until You Do This, by Pest and Lawn Ginja on YouTube. 9 min 59 s.

7 chapters. Tap a step to jump to it.Chapters from the creator
Video length
9 min 59 s
Time to do it
1 hour
Difficulty
Easy
Steps
9

What you need

Steps

  1. Watch your lawn, not the calendar. Mowing season ends when growth slows and you stop seeing fresh clippings, and cool-season and warm-season grasses finish at different times.

  2. Do your last few cuts a little lower than usual so the grass goes into winter shorter and tidier. Step the height down gradually rather than scalping it in one pass.

  3. Stop mowing once frosts and freezing nights arrive. Keep the robot off frosted or heavily dewed grass so it doesn't slip or tear the lawn.

  4. Clear fallen leaves before each run so the mower's vision and obstacle avoidance aren't blinded and the blades aren't clogged.

  5. Lift the mower onto a bench and brush grass clippings, mud and leaf mulch off the deck, blades, wheels and sensors. Wear gloves when you touch the blades.

  6. Inspect the blades for nicks and bends and replace any that are damaged. Clear packed clippings from around the cutting disc.

  7. Charge the battery to around half, then switch the mower off. A lithium pack sits better in storage at partial charge than fully drained or fully topped up.

  8. Store the mower, battery and charging dock indoors somewhere dry and above freezing. Damp sheds and hard frost damage the electronics.

  9. Unplug the dock and coil the cable neatly. If your model uses a boundary wire, check the wire and stakes for damage before the ground freezes.

Tips and common mistakes

Don't leave the mower sitting on its dock in a cold shed; bring both inside for the winter.

Top up the battery every couple of months so it doesn't deep-discharge while stored.

Skip the final cut if the grass is wet, because clumps of clippings smother the lawn under snow.

Set a reminder to check the lawn in early spring rather than relying on a fixed date.

Questions

Can I leave my robot mower outside all winter?

No. Cold, damp and frost get into the battery and electronics. Bring the mower and dock indoors and store them dry.

Should I fully charge the battery before storage?

Around half charge is better. A lithium pack left full or completely flat for months loses capacity, so top it up every couple of months.

When should I start mowing again in spring?

When the grass starts growing and the ground is firm and frost-free. Check your manual for the lowest operating temperature the mower allows.

This guide was drafted from the video's details and general task knowledge. It has not been checked against the full video. Check the video and relevant product instructions before following a procedure. Report a correction.

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