Mobile Marine Battery Replacement in Seminole, FL

Seminole has two kinds of boating in one city: a big freshwater lake in the middle of town and the salt water of Boca Ciega Bay and Long Bayou on its southern edge.
We install batteries in Seminole at your dock, the ramp or your driveway. Order online or text us. Installation is a flat $99 per battery ($249 for a 24V or 36V lithium bank); add it on the product page when you order. On lead-acid and AGM batteries, the $18 core charge is waived when you book installation and we take your old battery with us.
Start with our trolling motor, dual-purpose or cranking categories, or text us and we’ll help you choose.
Typical Seminole boats
Lake Seminole is known for largemouth bass, and small bass boats and jon boats with trolling motors launch at the park. On the salt side, bay boats work Long Bayou and Boca Ciega Bay for trout, redfish and snook. Pontoons are common on both.
Boating around Seminole
Lake Seminole, inside Lake Seminole Park, is one of the larger freshwater lakes in Pinellas County, and the park has a public boat ramp. To the south and west, Long Bayou and Cross Bayou feed into Boca Ciega Bay, where homes along the water often have docks with direct access to the bay and on toward John’s Pass.
Battery types and sizes for Seminole
Freshwater fishing boats
Freshwater boats around Seminole often go years on lead-acid batteries, but when it’s time to replace them, consider a 24V or 36V lithium setup. Measure your battery trays first, and check your trolling motor’s voltage. If you stay with lead-acid, choose deep-cycle batteries for the trolling motor and a true starting or dual-purpose battery for the outboard.
Pontoon boats
A pontoon spends more time idling and anchored than running, so the engine has little chance to recharge the battery. Plugging in a charger after every trip, or switching to lithium with its faster charge acceptance, keeps a pontoon ready for the next evening cruise around Boca Ciega Bay.
Bay boats, skiffs and shallow-water rigs
For a skiff or bay boat that spends the day poling and creeping along the flats near Boca Ciega Bay, trolling motor capacity is the number that matters. Measure your current batteries (group size, voltage and how many) before you order. If you stay with lead-acid, Group 31 deep-cycle batteries give the most runtime per battery; if you move to lithium, one 36V battery wired for your motor makes the system simpler and lighter.
Keeping batteries healthy in Seminole
If you trailer between Lake Seminole and the bay, the same battery may see fresh and salt water. Keep terminals clean and coated, and recharge after every trip.
Florida’s Gulf coast is hard on batteries for two reasons: heat and salt. Battery life drops quickly when a lead-acid battery sits above 90°F, and salt air corrodes terminals and cables. Sealed AGM and lithium batteries resist both better than flooded batteries, and none of them need water topping.
There is no real off-season here, so batteries work year round. The bigger risk is heat: a battery in a closed hull or a sunny driveway in July ages much faster than one kept cool. Charge after every trip, keep terminals clean and coated, and turn off the battery switch when the boat sits.
Getting a battery installed in Seminole
- Choose the battery (or ask us by text at (954) 743-0000 if you’re not sure what fits).
- Add installation on the product page and enter your Seminole ZIP code to confirm it’s in our installation area.
- We confirm the details with you and set up a time. Want it installed? Installation is a flat $99 per battery ($249 for a 24V or 36V lithium bank); add it on the product page when you order.
- We install it where the boat is and take the old one away.
Popular batteries for Seminole boats
Good starting points for Seminole boats, all currently in stock:
- EPOCH 24V 60Ah Pro Series LiFePO4 Battery (1.54kWh) (24V 60Ah LiFePO4, Group 27 footprint, 30 lb, internal heating for cold charging)
- Dakota Lithium DL+ 12V 60Ah Dual Purpose, 1000 CCA LiFePO4 Battery (12V 60Ah LiFePO4, 1000 CCA, Group 24 footprint, 16.5 lb)
- EPOCH 36V 50Ah Essential Series LiFePO4 Battery (1.92kWh) (36V 50Ah LiFePO4, Group 31 footprint, 35 lb, internal heating for cold charging)
- Interstate 27M-AGM-A 12V Group 27M AGM Dual Purpose Marine Battery – 750 CCA (12V 90Ah AGM, 750 CCA, Group 27M footprint)
- Interstate LI31M36V50 36V 50Ah Group 31M Lithium Marine Battery (36V 50Ah LiFePO4, Group 31M footprint)
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EPOCH
EPOCH 24V 60Ah Pro Series LiFePO4 Battery (1.54kWh)
$699.00or 4 interest-free payments of $174.75
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Dakota Lithium
Dakota Lithium DL+ 12V 60Ah Dual Purpose, 1000 CCA LiFePO4 Battery
$599.00or 4 interest-free payments of $149.75
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EPOCH
EPOCH 36V 50Ah Essential Series LiFePO4 Battery (1.92kWh)
$749.00or 4 interest-free payments of $187.25
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Interstate
Interstate 27M-AGM-A 12V Group 27M AGM Dual Purpose Marine Battery – 750 CCA
$279.95or 4 interest-free payments of $69.99
FAQ
How much is installation?
Installation is a flat $99 per battery ($249 for a 24V or 36V lithium bank), and you can add it on the product page when you order. Questions about your boat’s setup? Text us at (954) 743-0000.
Can you install lithium batteries?
Yes, we install lithium (LiFePO4), AGM and flooded batteries for a flat $99 per battery ($249 for a 24V or 36V lithium bank). Add it on the product page when you order, or text us at (954) 743-0000 with questions. If you’re switching to lithium, check that your charger has a lithium profile; we sell chargers that do.
How do I set up a time?
Text us at (954) 743-0000. Tell us your ZIP code, the boat and where it is, and we’ll set up a time with you. To book installation, add it on the product page for a flat $99 per battery ($249 for a 24V or 36V lithium bank).
Do you install outside Pinellas County?
We install anywhere from Venice to Gainesville, FL, and we ship nationwide.
What should I have ready?
Make sure we can reach the battery compartment and that the boat is accessible at the dock, ramp or driveway. A photo of the current battery label helps us bring the right size.
More of our Florida service area
See all towns in Pinellas County, or the full Florida mobile service area. Details on shipping and freight are on our shipping page, and our local install page explains how installation works (a flat $99 per battery, $249 for a 24V or 36V lithium bank).




