Field-informed maintenance guidance, diagnostic context, service updates, and technical articles from the Accumar Marine team.
You can't prevent a lightning strike — but you can control what happens next. Learn how a properly installed Lightning Protection System turns your boat from a victim into a safe conductor, plus personal safety rules and how to protect your electronics from EMP damage.
A comprehensive engineering guide to upgrading your vessel's charging system with high-output alternators and LiFePO4 batteries. Covers stator technology, external regulators, serpentine conversions, ABYC compliance, load dump protection, and proper wiring for 100A–250A systems.
The marine lithium revolution is real — but so are the risks. From BMS shutdown paradoxes to insurance implications, here are 7 engineering realities that separate a safe upgrade from a potential disaster.
Upgrading to LiFePO4 isn't a simple battery swap — it's a full electrical system redesign. From alternator traps to cold-weather plating risks, here are 6 critical realities every boat owner must understand before making the switch.
Despite the lithium hype, lead acid batteries — AGM, Gel, and Flooded — still power the vast majority of boats. Captain Roland explains the real-world benefits that keep lead acid as the go-to choice for marine applications.
A quality marine battery system isn't just about starting your engine — it's about safety, comfort, independence, and protecting your investment. Captain Roland explains the full range of benefits.
The lithium vs lead acid debate is the biggest question in marine electrical today. Captain Roland compares cost, weight, lifespan, safety, and real-world performance to help you decide.
With 25+ years of marine experience, Captain Roland breaks down everything you need to know about selecting the perfect battery for your boat — from chemistry types to sizing, brands, and installation tips.
Everything boat owners need to know about marine electrical system surveys — from pre-purchase inspections to lightning strike assessments. Learn what ABYC-certified technicians check, common problems found in SWFL vessels, and why regular electrical surveys protect your investment and safety.
Marine batteries don't last forever, and a dead battery at the wrong time can leave you stranded or worse. Learn the five telltale signs that your boat batteries need replacement before they fail.
Monthly tips on marine AC, batteries, watermakers, and more — straight from our 25+ year veteran technicians. No spam, just real-world maintenance advice.
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