How To Store Batteries When Not In Use. And either store your batteries in their original packaging or buy some battery storage boxes for safety. However keeping any battery at low voltage for long periods of time will damage it.
Its fine to store your car in an unheated facility but bring your battery inside and use a maintainer. Read through the lists of dos and donts from the battery manufacturers. Free Battery Tester Included.
When carbon or alkaline batteries have become discharged the chemistry of the cells will degrade and some hydrogen gas will be generated.
Its not necessary however to store batteries in the freezer. Do not use the battery if it or the connector is damaged. You can also use a specialized battery storage box. While four weeks to two months may be enough cushion to keep your battery working its still best to err on the side of caution.
