Polaris Sportsman 550 XP Owner's Manual page 113

MAINTENANCE
Battery
Battery Charging (Sealed Battery)
Always verify battery condition before and 1-2 hours after the end of
charging.
State of
Charge
100%
75%-100%
50%-75%
25%-50%
0%-25% 11.5 volts or less
110
Voltage
12.8-13.0 volts
12.5-12.8 volts
12.0-12.5 volts
11.5-12.0 volts
Action
None, check at 3
mos. from date of
manufacture
May need slight
charge, if no
charge given,
check in 3 months
Needs charge
Needs charge
Needs charge with
desulfating charger
Charge Time
(Using constant current
charger @ standard amps
specified on top of battery)
None required
3-6 hours
5-11 hours
At least 13 hours,
verify state of charge
At least 20 hours