2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 343Get this manual
ELECTRICAL SYSTEM 17-17 Battery
a sealed batteryBe careful, if sealed battery is installed on vehicle which had an ordinary battery as original equipment, the sealed batterys life will be shortened
Charging Condition Inspection
Battery charging condition can be checked by measuring battery terminal voltageRemove the battery (see Battery Removal)
CAUTION
Be sure to disconnect the negative) lead first
Measure the battery terminal voltageNOTE
Measure with digital voltmeter [A] which can be read to one decimal place voltageIf the reading is below the specified, refreshing charge is requiredBattery Terminal Voltage Standard: 12.8 or more