Honda EU65is Manuel De L'utilisateur page 71

4. Remove the protective cover from the battery positive ( ) terminal,
connect the red cable to the battery positive ( ) terminal.
5. Connect the black cable to the battery negative ( ) terminal.
6. Secure the battery by hooking the strap onto the bottom hook of the
generator.
BATTERY POSITIVE ( )
TERMINAL
RED CABLE
68
＋
＋
＋
−
BATTERY NEGATIVE ( )
TERMINAL
BLACK CABLE
−