Batteries are now more common in snowmobiles, and many new models will not function properly if the battery is discharged. Keeping your snowmobile battery...

Batteries are now more common in snowmobiles, and many new models will not function properly if the battery is discharged. Keeping your snowmobile battery fully charged is also very important as the temperature drops, as batteries that are partially discharged can freeze, resulting in cell damage. For example, a battery that is only 50% charged can actually freeze at only zero degrees, and a battery that is 75% charged can freeze at –24º F.

Anytime the sled is going to be out of use for more than a month, the battery should be charged fully to keep it viable for as long as possible, and again on a monthly basis (minimum). Better yet, get one of the fancy automatic chargers (like the Optimate III or CTEK 3300 reviewed in the December SnowTech) that monitor the battery and switch to a low current maintenance charge for extended periods of storage

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