Ionic Lithium LiFePO4 Deep Cycle & Marine Batteries

Ionic Lithium batteries deliver reliable power for marine, RV, golf cart, and solar applications. Built with safe LiFePO4 chemistry, these batteries are up to 50% lighter than traditional lead-acid and charge up to 5x faster. Every model includes an advanced Battery Management System (BMS) for safety and Bluetooth monitoring, so you can check charge status in real time from your phone. Backed by a no-nonsense 11-year warranty and 100% U.S.-based support, Ionic Lithium is the trusted choice for boaters and outdoor power users who want longer runtimes, lighter weight, and zero maintenance.

Ionic Lithium batteries deliver reliable power for marine, RV, golf cart, and solar applications. Built with safe LiFePO4 chemistry, these batteries are up to 50% lighter than traditional lead-acid and charge up to 5x faster. Every model includes an advanced Battery Management System (BMS) for safety and Bluetooth monitoring, so you can check charge status in real time from your phone. Backed by a no-nonsense 11-year warranty and 100% U.S.-based support, Ionic Lithium is the trusted choice for boaters and outdoor power users who want longer runtimes, lighter weight, and zero maintenance.

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Ionic Lithium 36V 27Ah GC2 LiFePO4 Golf Cart Single Battery Bundle

Item #: 36V27-1KIT
 
Voltage: 38.4 Volt / 27 Ah
• LiFePO4
• Dimensions: 10.25" / 7.13" / 11.75"
• Weight: 33.91 lbs
• Warranty: 11 Year Factory Direct
Price:
$1,260.00
Price: $1,260.00
QTY:

Ionic Lithium 36V 54Ah GC2 LiFePO4 Golf Cart Double Battery Bundle

Item #: 36V54-2KIT
 
Voltage: 38.4 Volt / 54 Ah
• LiFePO4
• Dimensions: 10.25" / 7.13" / 11.75"
• Weight: 60.41 lbs
• Warranty: 11 Year Factory Direct
Price:
$2,207.00
Price: $2,207.00
QTY:

Ionic Lithium 36V 81Ah GC2 LiFePO4 Golf Cart Triple Battery Bundle

Item #: 36V81-3KIT
 
Voltage: 38.4 Volt / 81 Ah
• LiFePO4
• Dimensions: 10.25" / 7.13" / 11.75"
• Weight: 86.91 lbs
• Warranty: 11 Year Factory Direct
Price:
$3,304.00
Price: $3,304.00
QTY:

Ionic Lithium 36V 108Ah GC2 LiFePO4 Golf Cart Quadruple Battery Bundle

Item #: 36V108-4KIT
 
Voltage: 38.4 Volt / 108 Ah
• LiFePO4
• Dimensions: 10.25" / 7.13" / 11.75"
• Weight: 113.41 lbs
• Warranty: 11 Year Factory Direct
Price:
$4,301.00
Price: $4,301.00
QTY:

Ionic Lithium 48V 27Ah GC2 LiFePO4 Golf Cart Single Battery Bundle

Item #: 48V27-1KIT
 
Voltage: 51.2 Volt / 27 Ah
• LiFePO4
• Dimensions: 13" / 10" / 13.5"
• Weight: 33.60 lbs
• Warranty: 11 Year Factory Direct
Price:
$1,360.00
Price: $1,360.00
QTY:

Ionic Lithium 48V 54Ah GC2 LiFePO4 Golf Cart Double Battery Bundle

Item #: 48V54-2KIT
 
Voltage: 51.2 Volt / 54 Ah
• LiFePO4
• Dimensions: 13" / 10" / 13.5"
• Weight: 65.60 lbs
• Warranty: 11 Year Factory Direct
Price:
$2,407.00
Price: $2,407.00
QTY:

Ionic Lithium 48V 81Ah GC2 LiFePO4 Golf Cart Triple Battery Bundle

Item #: 48V81-3KIT
 
Voltage: 51.2 Volt / 81 Ah
• LiFePO4
• Dimensions: 13" / 10" / 13.5"
• Weight: 97.60 lbs
• Warranty: 11 Year Factory Direct
Price:
$3,454.00
Price: $3,454.00
QTY:

Ionic Lithium 48V 108Ah GC2 LiFePO4 Golf Cart Quadruple Battery Bundle

Item #: 48V108-4KIT
 
Voltage: 51.2 Volt / 108 Ah
• LiFePO4
• Dimensions: 13" / 10" / 13.5"
• Weight: 129.60 lbs
• Warranty: 11 Year Factory Direct
Price:
$4,501.00
Price: $4,501.00
QTY:

Ionic Lithium 12V S4 | 500 CA | LiFePO4 Starter Battery + Bluetooth

Item #: ION-12VS4
 
Voltage: 12.8 Volt / 4 Ah / 500 CA
• LiFePO4
• Dimensions: 5.8" / 3.2" / 3.7"
• Weight: 3.30 lbs
• Warranty: 5 Year Factory Direct
Reg. Price: $149.00
SALE Price: $109.00
You save: $40.00!
QTY:

Ionic Lithium 12V S6 | 720 CA | LiFePO4 Starter Battery

Item #: ION-12VS6   |  Backordered: Estimated Available August 20th, 2026
 
Voltage: 12.8 Volt / 9 Ah / 720 CA
• LiFePO4
• Dimensions: 6.9" / 3.4" / 5.1"
• Weight: 4.40 lbs
• Warranty: 5 Year Factory Direct
Reg. Price: $169.00
SALE Price: $149.00
You save: $20.00!
QTY:

Ionic Lithium 12V S7 | 1220 CA | LiFePO4 Starter Battery + Bluetooth

Item #: ION-12VS7
 
Voltage: 12.8 Volt / 30 Ah / 1220 CA
• LiFePO4
• Dimensions: 6.5" / 4.9" / 6.8"
• Weight: 8.85 lbs
• Warranty: 5 Year Factory Direct
Reg. Price: $349.00
SALE Price: $319.00
You save: $30.00!
QTY:

Ionic Lithium 12V Group S8 | 1220 CA | LiFePO4 Starter Battery + Bluetooth

Item #: ION-12VS8
 
Voltage: 12.8 Volt / 30 Ah / 1220 CA
• LiFePO4
• Dimensions: 7.7" / 5.1" / 6.1"
• Weight: 9.00 lbs
• Warranty: 5 Year Factory Direct
Reg. Price: $349.00
SALE Price: $319.00
You save: $30.00!
QTY:

Frequently Asked Questions (FAQ):

Q: What makes Ionic Lithium different from other lithium batteries?

A: Ionic uses Grade A LiFePO4 cells, advanced BMS technology, and Bluetooth monitoring, combining safety, performance, and convenience with one of the best warranties in the industry.

Q: Can I use Ionic Lithium batteries in my boat or trolling motor?

A: Yes. Ionic deep cycle lithium batteries are fully compatible with most marine systems, including Yamaha and Mercury motors. They’re lighter, safer, and provide more usable power than AGM or flooded lead-acid batteries.

Q: How do I check the charge on an Ionic battery?

A: Every Ionic battery includes built-in Bluetooth. Download the Ionic app to monitor charge status, cycle history, and performance right from your smartphone.

Q: What warranty comes with Ionic batteries?

A: Ionic Lithium offers a competitive 11-year warranty with U.S.-based support, giving you long-term peace of mind.