Winter Storage Tips: Battery Storage

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The battery must be removed from the motorcycle when it is in storage. Motorcycles often have a small current drain even when the ignition is switched off (dark current), and a discharged battery will sulfate and no longer be able to sustain a charge.

A conventional battery should be checked for electrolyte level. Add distilled water to any of the cells that are low and then charge the battery.

Battery charging should be performed at least every two weeks using a charger that has an output of 10% of the battery ampere hour rating. For example if the battery has an AH rating of 12 (e.g. 12N12A-4A-1 where the 12A is 12 amp hours), then the charge rate of that battery should not exceed 1.2 amps. A higher charge will cause the battery to overheat. Charge the battery away from open flame or sparks as the gas (hydrogen) given off a battery can be explosive. Elevate the battery and keep it from freezing. Exercise the proper caution appropriate to caustic substances.

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Greg Young
Connecticut Patriot Guard’s Safety Officer/Captain
telephone: 860-388-2041