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Storing a Lawn Mower Battery for Winter

Posted on 12th Sep 2010 @ 10:26 PM

Winterizing your lawn mower is critical in getting the longest life and best performance out of it. Winterize your mower after the last mow of every autumn, and store the battery using these following tips.

First, remove the battery from the lawn mower with a wrench to detach the battery cables from the terminals. When the cables have been removed, lift the battery out of its housing and set it aside.

For best results, clean the battery terminals with a baking soda solution and a wire brush. Mix up a soupy paste of equal parts baking soda and water in a small dish. Dip a paper towel in this solution and spread it over the battery terminals, being careful to not get the actual battery cells wet. Scrub the terminals with a wire brush to loosen and remove any corroded particles and dirt. Dry the cleaned terminals completely.

Charge the battery to a full charge by connecting the battery to a home battery charger. If you do not have a battery charger, they are inexpensive at most hardware and automotive stores. Connect the red charger cable to the positive terminal and the black charger cable to the negative terminal, activate the charger and wait for the charge cycle to complete. If you do not have a battery charger you can take your battery to an automotive dealer or supply store that charges batteries.

Inspect the battery carefully all over to ensure that it is free of dirt and moisture. Use damp paper towels to wipe up any dirt, and dry the entire battery thoroughly. Place the battery inside a large plastic airtight container and put the lid firmly in place. Store the battery in a climate-controlled environment which is not excessively damp or moist.

You will appreciate having put in the effort now when you need to use the battery again next spring!