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
Narrow Your Results
Power Sonic PSL-BT-36400-G31 Lithium Bluetooth Marine Battery
Item #: PSL-BT-36400-G31  |  

Power Sonic PSL-BT-36400-G31 Lithium Bluetooth Marine Battery

Power Sonic PSL-BT-36400-G31 Lithium Bluetooth Marine Battery

Item #: PSL-BT-36400-G31
Voltage: 38.4 Volt / 40 Ah
LiFePO4
Dimensions: 13" / 6.8" / 8.8"
Weight: 33.30 lbs
Warranty: 10 Year
Price:
$1,279.95
Price: $1,279.95
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

Backordered: Available May 10th, 2025

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

Item #: DLITH-36V60   |  Backordered: Available May 10th, 2025
Voltage: 38.4 Volt / 60 Ah (2,160 Wh)
LiFePO4
Dimensions: 13" / 6.7" / 8.7"
Weight: 48.00 lbs
Warranty: 11 Year
Reg. Price: $1,499.00
SALE Price: $1,349.00
You save: $150.00!
QTY:
Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-36V110  |  

Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Dakota Lithium 36 Volt, 110 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-36V110
Voltage: 38.4 Volt / 110 Ah
LiFePO4
Dimensions: 20.5" / 10.5" / 8.8"
Weight: 75.00 lbs
Warranty: 11 Year
Reg. Price: $2,299.95
SALE Price: $2,069.95
You save: $230.00!
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:
$861.95
Price: $861.95
QTY:
Dakota Lithium 48 Volt, 96 Ah LiFePO4 Deep Cycle Battery
Item #: DLITH-48V96  |  

Dakota Lithium 48 Volt, 96 Ah LiFePO4 Deep Cycle Battery

Dakota Lithium 48 Volt, 96 Ah LiFePO4 Deep Cycle Battery

Item #: DLITH-48V96
Voltage: 51.2 Volt / 96 Ah
LiFePO4
Dimensions: 20.5" / 10.5" / 8.66"
Weight: 100.00 lbs
Warranty: 11 Year
Reg. Price: $2,699.95
SALE Price: $2,591.95
You save: $108.00!
QTY:
Dakota Lithium Powerbox+ 60 with FREE Battery
Item #: POWERBOX-60  |  

Dakota Lithium Powerbox+ 60 with FREE Battery

Dakota Lithium Powerbox+ 60 with FREE Battery

Item #: POWERBOX-60
Voltage: 12.8 Volt / 60 Ah / 1000 CCA
LiFePO4
Dimensions: 11.6" / 12.1" / 12.8"
Weight: 27.00 lbs
Warranty: 11 Year
Reg. Price: $799.95
SALE Price: $759.00
You save: $40.95!
QTY:
Dakota Lithium Powerbox 135 with FREE Battery
Item #: POWERBOX-135  |  

Dakota Lithium Powerbox 135 with FREE Battery

Backordered: Available February 28th, 2025

Dakota Lithium Powerbox 135 with FREE Battery

Item #: POWERBOX-135   |  Backordered: Available February 28th, 2025
Voltage: 12.8 Volt / 135 Ah / 1000 CCA
LiFePO4
Dimensions: 11.6" / 12.1" / 12.8"
Weight: 38.00 lbs
Warranty: 11 Year
Reg. Price: $1,299.95
SALE Price: $1,199.95
You save: $100.00!
QTY: