Remove and store lawnmower battery indoors

Short answer

Before the first freeze, disconnect the lawnmower battery, bring it indoors, and check its charge level periodically through winter.

Priority: Medium
Difficulty: DIY
Time: 10 min
How often: Once a year
Season: Fall

Why It Matters

Cold temperatures drain and damage lithium batteries left in unheated garages, shortening battery life.

How to Do It

Consult your mower's manual for the correct procedure to disconnect and remove the battery.
Disconnect the battery terminals and lift the battery out of the mower.
Bring the battery inside and store it in a room-temperature location, away from freezing drafts.
Check the battery's charge level periodically through winter, topping it off if the charge drops low.

Add fuel stabilizer and run mower for 5 minutes Once a year
Change lawnmower oil Once a year
Clean and remove grass clippings from mower Once a year
Reinstall lawnmower battery Once a year
Replace lawnmower air filter Once a year

Part Of

Garage Lawnmower

Last updated 23 September 2026

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