2003 Polaris Sportsman 600, 2002-2003 Polaris Sportsman 700 Service Manual, Page 243Get this manual
ELECTRICAL 2Disconnect battery negative (-) (black) cable first, followed by the positive (+) (red) cableCAUTION Whenever removing or reinstalling the battery, disconnect the negative (black) cable first and reinstall the negative cable last! 3Remove the battery4Remove the filler caps and add distilled water only as needed to bring each cell to the proper levelDo not overfill the batteryRefill using only distilled waterTap water contains minerals which are harmful to batteryDo not allow cleaning solution or tap water inside the batteryBattery life may be reduced5Reinstall the battery caps
OCVOPEN CIRCUIT VOLTAGE TEST
Battery voltage should be checked with digital multitesterReadings of 12.6 volts or less require further battery testing and chargingSee charts and Load Test on belowNOTE: Lead-acid batteries should be kept at or near full charge as possibleElectrolyte level should be kept between the low and full marksIf the battery is stored or used in partially charged condition, or with low electrolyte levels, hard crystal sulfation will form on the plates, reducing the efficiency and service life of the battery