TIP
When using an automatic charger, refer to the charger manufacturer's
instructions for recharging. When using a constant current charger, use the
guidelines below for recharging.
Always verify battery condition before and 1-2 hours after the end of charging.
STATE OF
CHARGE
VOLTAGE ACTION CHARGE TIME*
100% 12.8-13.0 volts None, check at 3
mos. from date of
manufacture
None required
75%-100% 12.5-12.8 volts May need slight
charge, if no
charge given,
check in 3 months
3-6 hours
50%-75% 12.0-12.5 volts Needs charge 5-11 hours
25%-50% 11.5-12.0 volts Needs charge At least 13 hours,
verify state of
charge
0%-25% 11.5 volts or less Needs charge with
desulfating charger
At least 20 hours
*(Using constant current charger @ standard amps specified on top of battery)
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MAINTENANCE