Since you are going to wire directly to the battery, add an inline on/off switch on the dash. This will prevent your unit from accidentally turning on and will isolate it from any battery variations caused from the charger.
Capt. Craig Copeland
Licensed by the US Coast Guard
2013 Nautic Star 2110 Shallow Bay Boat
Humminbird HELIX 12 CHIRP MEGA SI GPS G2N
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