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10% Off Sitewide - Buy Online & Pick Up In-Store [ CODE CDP10011 ] - See Details

Marine and Boat Battery

Marine & Boat Batteries Built for Performance and Reliability

When you're out on the water, the last thing you want is battery trouble. At Batteries Plus, we carry a wide selection of marine batteries designed to deliver dependable power for boats of all sizes. Whether you need a deep cycle battery for extended trolling, a dual-purpose option for starting and cycling, or just a battery to start the engine, we have you covered with trusted brands like Duracell, X2Power, and Odyssey.

From fishing boats and personal watercraft to sailboats and yachts, we offer 12V marine batteries (AGM, Lithium, and flooded) options that stand up to vibration, waves, and long days on the water. Shop by group size, cold cranking amps (CCA), and many other filters to find the right fit for your vessel.

Find your perfect marine battery today and enjoy smooth sailing with every start.

Deep Cycle Lithium AGM Starting Dual Purpose Flooded

Shop With the Finder Tool

Marine & Boat Battery Buying Guide

Please Make a Selection to Find the Perfect Fit

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High Performance

X2Power 12.8V 125Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

High Performance

SLIL27-125DCM-BT

X2Power 12.8V 125Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

From Our Experts:

Upgrade to the X2Power 12.8V 125Ah lithium deep cycle battery for reliable, high-efficiency power. Perfect for marine, RV, and solar setups with Bluetooth performance tracking.
Brand:
X2Power
Format:
BCI Group 27M
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
125AH

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Bluetooth Enabled

X2Power 24V 60Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

Bluetooth Enabled

SLIL24VDCM-BT

X2Power 24V 60Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

From Our Experts:

Experience powerful 24V deep cycle performance with the X2Power 24V 60Ah lithium marine battery. Lightweight and Bluetooth-enabled, it's perfect for trolling motors and advanced marine setups.
Brand:
X2Power
Format:
BCI Group 31
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
60AH

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Bluetooth Enabled

X2Power 12V 50Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

Bluetooth Enabled

SLIL12-50DCM-BT

X2Power 12V 50Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

From Our Experts:

Get longer run times and real-time performance tracking with the X2Power 12V 50Ah lithium marine battery. This deep cycle LiFePO4 battery is ideal for powering your boat's electronics efficiently.
Brand:
X2Power
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
50AH
Voltage:
12.8

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Bluetooth Enabled

X2Power 36V 40Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

Bluetooth Enabled

SLIL36VDCM-BT

X2Power 36V 40Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

From Our Experts:

Upgrade your marine power setup with the X2Power 36V 40Ah lithium deep cycle battery. This single Group 31 battery delivers long run times, Bluetooth tracking, and lightweight efficiency.
Brand:
X2Power
Format:
BCI Group 31M
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
40AH

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Bluetooth Enabled

X2Power 12V 20Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

Bluetooth Enabled

SLIL12-20DCM-BT

X2Power 12V 20Ah Marine Lithium Iron Phosphate (LiFePO4) Deep Cycle Battery with Bluetooth

From Our Experts:

The X2Power 12V 20Ah lithium deep cycle battery delivers lightweight, long-lasting power for your boat's electronics. Monitor performance in real time with built-in Bluetooth connectivity.
Brand:
X2Power
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
20AH
Voltage:
12.8

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High Performance

X2Power 12.8V 100Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

High Performance

SLIL24-100DCM-BT

X2Power 12.8V 100Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

From Our Experts:

Power your trolling motor, RV, or solar system with the X2Power 12.8V 100Ah LiFePO4 battery. This lightweight, high-capacity deep cycle battery delivers advanced performance and Bluetooth-enabled monitoring.
Brand:
X2Power
Format:
BCI Group 24M
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
100AH

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High Performance

X2Power 12.8V 150Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

High Performance

SLIL31-150DCM-BT

X2Power 12.8V 150Ah Marine Lithium Iron Phosphate Deep Cycle Battery with Bluetooth

From Our Experts:

Power your marine, RV, or solar setup with the X2Power 12.8V 150Ah lithium battery. This high-capacity LiFePO4 battery offers advanced monitoring, faster charging, and lightweight durability.
Brand:
X2Power
Format:
BCI Group 31M
Terminal Type:
M8 Insert, C, Insert Terminal
Capacity:
150AH

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Choosing the Right Marine Battery for Your Needs

Not all marine batteries are created equal. Before you buy, consider how you'll use your boat. Deep cycle batteries are ideal for powering electronics, trolling motors, and onboard accessories over long periods. Starting batteries, on the other hand, are built to deliver a strong burst of energy to get your engine running. If you need both, a dual-purpose battery provides a convenient all-in-one solution to handle both tasks.

Need help choosing the right battery? Visit your local Batteries Plus store for expert guidance or use our online battery finder to search by your vessel's make and model.