2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 242Get this manual
ELECTRICAL
SEALED LOW MAINTENANCE -SEASON BATTERY OFFSTORAGE
To prevent battery damage during extended periods of non-use, the following basic battery maintenance items must be performed: GRemove the battery from the machine and wash the case and battery tray with mild solution of baking soda and waterRinse with lots of fresh water after cleaningGUsing wire brush or knife, remove any corrosion from the cables and terminalsGCharge at rate no greater than 110 of the battery's amphr capacity until the voltage reaches 13.0VDC or greaterGStore the battery either in the machine with the cables disconnected, or store in cool place