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Winter Battery Storage

How to Store ODYSSEY® Automobile Batteries for the Winter

ODYSSEY® batteries can be stored for 2 years at 77°F. To store off-season, measure the battery voltage to make sure it is fully charged: 12.84 volts or greater; recharge if necessary. Disconnect the negative battery cable to prevent any applied electrical load during storage. ODYSSEY batteries are freeze-proof in temperatures down to -40°C / -40°F.

A 12V, 1-3 amp trickle charger or maintainer can also be left connected to the battery if it is kept in storage for extended periods or if the battery is subject to parasitic loads during storage. The recommended float charge voltage is 13.5V to 13.8V.