2008 Polaris Sportsman 700/800/700 X2 EFI Service Manual, Page 353Get this manual
ELECTRICAL Add electrolyte to bring level back to upper level mark on caseNOTE: This is the last time that electrolyte should be addedIf the level becomes low after this point, add only distilled water5Charge battery at 110 of its amphour ratingExamples: 110 of amp battery.9 amp; 110 of 14 amp battery1.4 amp; 110 of 18 amp battery1.8 amp (recommended charging rates)Check specific gravity of each cell with hydrometer to assure each has reading of 1.270 or higher4Inspect the battery fluid levelWhen the battery fluid nears the lower level, remove the battery and fill with distilled water only to the upper level lineTo remove the battery:
Maintain between upper and lower level marks
Battery TerminalsBolts
Terminal Preparation Use Polaris corrosion resistant Nyogel grease (PN 2871329) on battery bolts and terminals when installing batteryThis will help to prevent corrosion and maintain good electrical connectionSee "BATTERY INSTALLATION"
Conventional Battery InspectionRemoval
The battery is located under the seat on Sportsman models