Honda 2009 GOLDWING GL1800 Owner's Manual page 205

The battery is located in the battery box behind the left side cover.
Removal
1. Make sure the ignition switch is OFF.
2. Remove the left side cover (page
3. Pull the clip and remove the battery plate.
4. Disconnect the negative ( ) terminal lead from the battery first.
5. Remove the bolt and open the battery holder.
6. Disconnect the positive ( ) terminal lead.
7. Pull the battery out of the battery box.
Be careful to avoid damaging the cover under the battery box when you
remove the battery.
8. Charge the battery (see following section), unless you have been riding
regularly.
9. Store your battery in an easy-to-reach location off the floor, in an area
protected from freezing temperatures and direct sunlight.
10. Clean the battery box after removing the battery for storage. Dry the battery
box and, if paint is missing, re-paint the area.
11. Slow charge the battery (see following section) once every 30 days.
LEFT SIDE
negative ( ) terminal lead
battery box
Installation
1. Reinstall in the reverse order of removal. Be sure to connect the positive ( )
terminal first, then the negative ( ) terminal.
2. Check all bolts and other fasteners are secure.
155
cover battery holder
).
positive ( ) terminal lead
bolt
Servicing Your Honda
Battery
battery plate
clip
199