MARINE DEEP-CYCLE BATTERIES

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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.

Part Number	Group Size	Cold Cranking Amps (CCA)	Cranking Amps (CA)	Reserve Capacity (RC)	Amp Hours (Ah)	Length	Width	Height	Weight	Voltage	Wet/Dry
24M-EFB	24M	590	700	140	77	10 1/4	6 13/16	8 11/16	45.7	12	W
27M-EFB	27M	675	800	160	90	12 3/4	6 3/4	9 1/2	50.7	12	W
SRM-24	24M	550	690	140	81	11	6 7/8	9	46.3	12	W
SRM-27	27DC	600	750	160	88	12 3/4	6 7/8	9	50.3	12	W
SRM-31	31M	675	845	210	98	13	6 3/4	9 5/8	59.7	12	W
SRM-4D	4DM	1314	1645	390	195	21	8 1/4	9 5/8	117	12	W

New Marine Enhanced Flooded Battery Technology from Interstate^®

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.

ADVANCED EFB TECHNOLOGY, ACCESSORY POWER, TWO-YEAR FREE REPLACEMENT WARRANTY, MAINTENANCE FREE, TROLLING POWER

EFB Features And Benefits

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.

Finding Your Batteries