Dc Terminals; Dc Circuit Protector - Honda EM650 Owner's Manual

DC Terminals
The DC terminals may ONLY be used for charging 12 volt automotive type
batteries.
The terminals are colored red to identify the positive (+) terminal and black to
identify the negative (-) terminal. The battery must be connected to the
generator DC terminals with the proper polarity (battery positive to generator
red terminal and battery negative to the generator black terminal).
DC TERMINAL (RED)
DC TERMINAL (BLACK)
DC Circuit Protector
The DC circuit protector automatically shuts off the DC battery charging circuit
when the generator is overloaded, when there is a problem with the battery;
or the connections between the battery and the generator are improper.
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