2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 386Get this manual
BATTERYICHARGING SYSTEM
BATTERY
Remove the rear storage box (page 3-6)Remove the battery holder bandsDisconnect the negative (-1 cable and then the positive (+) cable, and remove the batteryConnect the positive Terminalsand then the tiegatlve cable
Install the battery in the reverse order of removal
VOLTAGE INSPECTION
Measure the multimeterbattery voltage
digital
VOLTAGE: Fully charged: 13.013.2 Under charged: Below 12.3 V