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Complete a battery search to save a vehicle
Your Vehicle
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Find an Interstate Battery Near You
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Hours of Operation
  • Closed
  • Contact Store For Hours of Operation
Products
Services

Finding Your Batteries

Marine Batteries

Image of boat in water with Interstate Marine Deep Cycle Battery

Interstate Marine Deep-Cycle Batteries

Designed to provide reliable power over an extended period, our deep cycle batteries are ideal for powering your boat and all of its accessories, whether your engine is running or not. Our new Marine EFB batteries come with a 24-month free replacement warranty. Browse the lineup below or try our battery wizard to get a product recommendation for your application.
Learn More about new Marine EFB Batteries

Select a battery option:

Starting
Marine starting battery
Marine Batteries
Deep Cycle
Deep-cycle battery
Marine Batteries
Dual Purpose
AGM dual purpose battery
Marine Batteries
Watercraft
Absorbed glass-mat (AGM) powersports battery
Marine Batteries
M Line
M-24DC Golf Battery
Marine Batteries
Deep Cycle Batteries
Part Number MSRP
USD 		Group Size The physical dimensions of a battery. CCA Cold cranking amps start your car. If this number meets or exceeds your vehicle’s needs, you’re good to go. CA Cranking amps are measured at warm temperatures to show what a battery can deliver under ideal conditions. CCA indicates performance under harsher conditions. RC Reserve capacity is the steady power your battery provides the electrical system when the alternator is not operating. Ah Ampere hour measures the battery’s capacity and indicates how much energy can be stored by the battery. Length Width Height Weight Voltage Wet/Dry
24M-EFB $169.95 24M 590 700 140 77 10 1/4 6 13/16 8 11/16 45.7 12 W
27M-EFB $179.95 27M 675 800 160 90 12 3/4 6 3/4 9 1/2 50.7 12 W
SRM-24 $124.95 24M 550 690 140 81 11 6 7/8 9 46.3 12 W
SRM-27 $134.95 27DC 600 750 160 88 12 3/4 6 7/8 9 50.3 12 W
SRM-31 $159.95 31M 675 845 210 98 13 6 3/4 9 5/8 59.7 12 W
SRM-4D $294.95 4DM 1314 1645 390 195 21 8 1/4 9 5/8 117.0 12 W

New Marine Enhanced Flooded Battery Technology from Interstate®

Image of boat in water with Interstate Marine Deep Cycle Battery

Power Beyond The Ordinary

Spend more time on the water. The Interstate® EFB provides the tough, long-lasting, deep cycles needed to power boating accessories like trolling motors, fish finders, sound systems and more.
EFB Features and Benefits
ADVANCED EFB TECHNOLOGY, ACCESSORY POWER, TWO-YEAR FREE REPLACEMENT WARRANTY, MAINTENANCE FREE, TROLLING POWER

Get twice the cycle life at a great value with Interstate enhanced flooded marine batteries.
Life cycle chart showing longer runtime of enhanced flooded battery verses traditional flooded battery

2x Cycle Life. Great Value.

EFB batteries provide up to two times more cycle life than standard flooded batteries.