2005 Polaris Sportsman 700/800 EFI Service Manual, Page 282Get this manual
ELECTRICAL 2Check the voltage with voltmeter or multimeterA fully charged battery should be 12.8 or higher3If the voltage is below 12.8 V, the battery will need to be rechargedTo service Low Maintenance battery: 1Remove battery from the vehicle 2Test battery with voltage meter or load tester to determine battery conditionThis will determine the length of time required to charge the battery to full capacityRefer to capacity table3Charge battery using variable rate charger