2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 36Get this manual
MAINTENANCE Battery Removal
1Remove the seat to access the battery5Place the spacers on top of the battery terminalsBe sure they are placed between the battery terminal and cable(s)Positive Cables Negative Cable
Spacer Retaining Screw 62Disconnect battery negative (-) (black) cable first, followed by the positive (+) (red) cables
Connect and tighten the positive (+) (red) battery cable first, followed by the negative (-) (black) battery cable