Practical guides from the OnBoat Marine team on the systems we install every day on boats and yachts in South Florida. Each guide explains how the technology works, what to look for and what a good installation involves.
Batteries, charging, AC power and the panels that run it all.

Starting vs. deep cycle, AGM vs. lithium, bank sizing and how a battery management system protects your batteries.
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Onboard vs. portable, 3-bank models, amperage, lithium profiles and installation tips.
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Pure sine vs. modified sine, sizing in watts, inverter chargers and safe installation.
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30 A vs. 50 A service, shore power vs. generator, isolation transformers and converters.
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Rigid vs. flexible panels, MPPT controllers, shading and integration with your battery bank.
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AC/DC distribution, breakers, digital switching and when to upgrade your panels.
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Core components, integrated electronics, common installation mistakes and why professional work matters.
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How a professional installation reduces power failures, protects equipment and extends system life.
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An overview of how modern boat electrical systems are built and what owners should keep in mind.
Read the guide →Radar, chartplotters, sonar, radios and autopilots.

Dome or open array, magnetron or solid-state, Doppler and target tracking.
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Which features matter and how a chartplotter networks with radar, sonar and autopilot.
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CHIRP, down and side imaging, and choosing and installing the right transducer.
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VHF radios with DSC and AIS, Class B transponders, antennas and cabling.
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Drives and sensors, integration with radar and sonar, and why calibration matters.
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How calibration and clean integration improve navigation, situational awareness and safety.
Read the guide →Interior, exterior and underwater lighting, plus onboard sound.

LED navigation, deck, courtesy and interior lighting, planned and installed without interference.
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Surface-mount vs. thru-hull, colors, brightness, placement and wiring.
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Head units, speakers, amplifiers and audio zones built to survive sun, salt and spray.
Read the guide →Practical advice for keeping your systems reliable.

What to look for, warning signs your boat needs one and how to prevent common failures.
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GPS loss, VHF failures, frozen displays and power issues: what to check and when to call a pro.
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Integrated helms, Starlink, lithium power, solid-state radar and the brands leading them.
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Why working at your dock reduces errors, saves time and allows immediate testing.
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How cable management, secure connections and labeling prevent faults and simplify upgrades.
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