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Marine battery blog
Fifty practical articles on starting, house, and trolling-motor batteries for Florida boats. No prices, no fake reviews, no dealer claims.
These articles exist so county and town pages do not have to repeat the same battery lesson. Read the one that matches the boat, then see where we come to you or what we do at the dock.
Showing 10 of 50 articles. Page 4 of 5.
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Guide
Sailboat house-bank basics
Sailboats separate start and house. Amp-hours, depth of discharge, and a charger that matches chemistry decide whether dawn still has lights.
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Guide
Bass-boat trolling batteries
Tournament bass boats run a series trolling string plus a separate starter. Matching age and a charger that sees every battery decide whether the motor lasts until weigh-in.
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Guide
Lift-kept boats and battery access
A boat on a lift lives in the sun with a charger on a cord. Heat, a tripped GFCI, and hatches that cook the well are the usual failures.
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Guide
Depth of discharge and battery life
How far you empty a battery each cycle changes how many cycles you get. Flooded, AGM, and lithium use different comfortable depths.
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Starting, house, and trolling
Starting batteries and house loads
Lights, pumps, and electronics on the only starting battery are how a boat that had power at dusk will not crank at dawn.
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Guide
Gulf Coast dockside battery service
From Tampa Bay through Lee County to Naples, salt air, lift wells, and closed consoles are the usual battery failures. We come to the boat.
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Guide
Atlantic coast battery care
Inlet boats in slips see spray and shore-power chargers. Inland Volusia and Brevard lakes do not inherit that salt story from the county line.
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Guide
Central Florida lake-boat batteries
Harris Chain, Kissimmee, and Orlando lakes are trolling banks, trailer storage, and heat — not inlet spray.
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Trolling-motor batteries
Choosing a trolling-motor battery
Start with motor voltage, then chemistry, group size, and a charger that can refill the bank. Amp-hours compare packs inside one chemistry.
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Guide
Overnight house banks at anchor
A night at anchor is amp-hours, depth of discharge, and a refill in the morning. The starting battery should still be separate at dawn.
Also see common battery lines and typical setups by boat.
On the boat
Replacement, coverage, and questions
See marine battery work at the boat, counties we come to, the marine battery blog, and questions.