Lithium Marine Batteries

Stay on the water longer.

Battery Mart is here to keep your boating expeditions running from morning to night! Lithium Iron (LiFePO4) batteries help you do what you love, longer. These lithium marine batteries give you more run time for your on-board electronics, more storage capacity, and weighs half as much as your old SLA battery. Get superior performance while shedding pounds off your boat.

Why upgrade to a lithium iron marine battery?

Twice the power of traditional batteries
Half the weight
Charges up to 5 times faster
Lasts four times as long
100% safe and reliable
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Dakota Lithium Group U1 12 Volt, 54 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-12V54  |    

Dakota Lithium Group U1 12 Volt, 54 Ah LiFePO4 Deep Cycle Battery

Backordered: Estimated Availability August 15th, 2026

Dakota Lithium Group U1 12 Volt, 54 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-12V54   |  Backordered: Estimated Availability August 15th, 2026
 
Voltage: 12.8 Volt / 54 Ah
• LiFePO4
• Dimensions: 7.75" / 5.3" / 7.5"
• Weight: 14.30 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$410.00
Price: $410.00
QTY:
Dakota Lithium DL+ 12 Volt, 60 Ah LiFePO4 Deep Cycle Battery
Item #: DLPLUS-12V60  |    

Dakota Lithium DL+ 12 Volt, 60 Ah LiFePO4 Deep Cycle Battery

Backordered: Estimated Available August 20th, 2026

Dakota Lithium DL+ 12 Volt, 60 Ah LiFePO4 Deep Cycle Battery

Item #: DLPLUS-12V60   |  Backordered: Estimated Available August 20th, 2026
 
Voltage: 12.8 Volt / 60 Ah / 1000 CCA
• LiFePO4
• Dimensions: 9.5" / 6.9" / 7.44"
• Weight: 16.50 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$615.00
Price: $615.00
QTY:
Dakota Lithium 12V 100Ah LiFePO4 Deep Cycle Battery with Internal Heating
Item #: DLITH-12V100  |    

Dakota Lithium 12V 100Ah LiFePO4 Deep Cycle Battery with Internal Heating

Backordered: Estimated Available September 15th, 2026

Dakota Lithium 12V 100Ah LiFePO4 Deep Cycle Battery with Internal Heating

Item #: DLITH-12V100   |  Backordered: Estimated Available September 15th, 2026
 
Voltage: 12.8 Volt / 100 Ah
• LiFePO4
• Dimensions: 10.23" / 6.60" / 8.66"
• Weight: 26.00 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$795.00
Price: $795.00
QTY:
Dakota Lithium DL+ 12 Volt, 135 Ah LiFePO4 Deep Cycle Battery
Item #: DLPLUS-12V135  |    

Dakota Lithium DL+ 12 Volt, 135 Ah LiFePO4 Deep Cycle Battery

Backordered: Estimated Available August 15th, 2026

Dakota Lithium DL+ 12 Volt, 135 Ah LiFePO4 Deep Cycle Battery

Item #: DLPLUS-12V135   |  Backordered: Estimated Available August 15th, 2026
 
Voltage: 12.8 Volt / 135 Ah / 1000 CCA
• LiFePO4
• Dimensions: 9.5" / 6.9" / 7.75"
• Weight: 27.20 lbs
• Warranty: 11 Year (Factory Direct)
Reg. Price: $1,220.00
SALE Price: $999.00
You save: $221.00!
QTY:
Dakota Lithium 24 Volt, 60 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-24V60  |    

Dakota Lithium 24 Volt, 60 Ah LiFePO4 Deep Cycle Battery

Dakota Lithium 24 Volt, 60 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-24V60
 
Voltage: 25.6 Volt / 60 Ah
• LiFePO4
• Dimensions: 9.05" / 6.85" / 7.87"
• Weight: 24.90 lbs
• Warranty: 11 Year (Factory Direct)
Reg. Price: $1,125.00
SALE Price: $1,015.00
You save: $110.00!
QTY:
Dakota Lithium 24 Volt, 110 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-24V110  |    

Dakota Lithium 24 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Dakota Lithium 24 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-24V110
 
Voltage: 25.6 Volt / 110 Ah
• LiFePO4
• Dimensions: 19.1" / 9.9" / 6.6"
• Weight: 50.05 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$1,645.00
Price: $1,645.00
QTY:
Dakota Lithium 36 Volt, 60 Ah LiFePO4 Group 31 Deep Cycle Battery
Item #: DLITH-36V60  |    

Dakota Lithium 36 Volt, 60 Ah LiFePO4 Group 31 Deep Cycle Battery

Dakota Lithium 36 Volt, 60 Ah LiFePO4 Group 31 Deep Cycle Battery

Item #: DLITH-36V60
 
Voltage: 36V Nominal (38.4V Working) / 60 Ah
• LiFePO4
• Dimensions: 13" / 6.7" / 8.7"
• Weight: 44.00 lbs
• Warranty: 11 Year (Factory Direct)
MSRP: $1700
Price:
See Best Price in Cart
QTY:
Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-36V110  |    

Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Backordered: Estimated Availability August 15th, 2026

Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-36V110   |  Backordered: Estimated Availability August 15th, 2026
 
Voltage: 38.4 Volt / 110 Ah
• LiFePO4
• Dimensions: 20.5" / 10.5" / 8.8"
• Weight: 75.00 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$2,360.00
Price: $2,360.00
QTY:
Power Sonic PSL-BT-48320-GC2 Lithium Bluetooth Marine Battery
Item #: PSL-BT-48320-GC2  |    

Power Sonic PSL-BT-48320-GC2 Lithium Bluetooth Marine Battery

Power Sonic PSL-BT-48320-GC2 Lithium Bluetooth Marine Battery

Item #: PSL-BT-48320-GC2
 
Voltage: 51.2 Volt / 32 Ah
• LiFePO4
• Dimensions: 10.25" / 7.12" / 10.25"
• Weight: 36.30 lbs
• Warranty: 10 Year
Price:
$1,349.95
Price: $1,349.95
QTY:
Dakota Lithium Powerbox+ 60 with FREE Battery
Item #: POWERBOX-60  |    

Dakota Lithium Powerbox+ 60 with FREE Battery

Backordered: Estimated Availability August 15th, 2026

Dakota Lithium Powerbox+ 60 with FREE Battery

Item #: POWERBOX-60   |  Backordered: Estimated Availability August 15th, 2026
 
Voltage: 12.8 Volt / 60 Ah / 1000 CCA
• LiFePO4
• Dimensions: 11.6" / 12.1" / 12.8"
• Weight: 27.00 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$820.00
Price: $820.00
QTY:
Dakota Lithium Powerbox 135 with FREE Battery
Item #: POWERBOX-135  |    

Dakota Lithium Powerbox 135 with FREE Battery

Dakota Lithium Powerbox 135 with FREE Battery

Item #: POWERBOX-135
 
Voltage: 12.8 Volt / 135 Ah / 1000 CCA
• LiFePO4
• Dimensions: 11.6" / 12.1" / 12.8"
• Weight: 38.00 lbs
• Warranty: 11 Year (Factory Direct)
Price:
$1,700.00
Price: $1,700.00
QTY:
Dakota Lithium DL+ 12 Volt, 320 Ah LiFePO4 Deep Cycle Battery
Item #: DLPLUS-12V320  |    

Dakota Lithium DL+ 12 Volt, 320 Ah LiFePO4 Deep Cycle Battery

Dakota Lithium DL+ 12 Volt, 320 Ah LiFePO4 Deep Cycle Battery

Item #: DLPLUS-12V320
 
Voltage: 12.8 Volt / 320 Ah / 1000 CCA
• LiFePO4
• Dimensions: 13.31" (Footprint) / 15.06" (Top) / 7.24" / 10.0"
• Weight: 65.00 lbs
• Warranty: 11 Year (Factory Direct)
Reg. Price: $2,299.00
SALE Price: $1,999.00
You save: $300.00!
QTY: