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 Bass Boat Bundles

Narrow Your Results

Item #: ION-12VS8 |

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!

Item #: ION-12VS9 |

Ionic Lithium 12V S9 | 1400 CA | LiFePO4 Marine Starter Battery + Bluetooth

Backordered: Estimated Available June 8th, 2026

Ionic Lithium 12V S9 | 1400 CA | LiFePO4 Marine Starter Battery + Bluetooth

Item #: ION-12VS9 | Backordered: Estimated Available June 8th, 2026

Voltage: 12.8 Volt / 40 Ah / 1400 CA

• LiFePO4
• Dimensions: 9.1" / 6.9" / 7.5"
• Weight: 14.60 lbs
• Warranty: 5 Year Factory Direct

Reg. Price: $469.00

SALE Price: $419.00

You save: $50.00!

Item #: ION-12VS31 |

Ionic Group 31 LiFePO4 Diesel Battery w/ Heater | 3000 CA / 1800 CCA | Semi Truck & Heavy Equipment

Item #: ION-12VS31

Voltage: 12.8 Volt / 100 Ah / 3000 CA

• LiFePO4
• Dimensions: 12.9" / 6.8" / 10"
• Weight: 30.80 lbs
• Warranty: 5 Year Factory Direct

Reg. Price: $1,069.00

SALE Price: $899.00

You save: $170.00!

Item #: IONCH-12V4 |

Ionic Lithium LiFePO4 12V 4A Charger

Item #: IONCH-12V4

Voltage: 12 Volt / 4 Amp

• Dimensions: 8.62" / 7.25" / 4.5"
• Weight: 3.00 lbs
• Warranty: 1 Year

Price:
$39.00

Price: $39.00

Item #: IONCH-12V10 |

Ionic Lithium LiFePO4 12V 10A Charger

Item #: IONCH-12V10

Voltage: 12 Volt / 10 Amp

• Dimensions: 7.9" / 3.5" / 2.6"
• Weight: 3.50 lbs
• Warranty: 1 Year

Price:
$84.00

Price: $84.00

Item #: IONCH-12V20 |

Ionic Lithium LiFePO4 12V 20A Charger

Item #: IONCH-12V20

Voltage: 12 Volt / 20 Amp

• Dimensions: 7.9" / 3.5" / 2.6"
• Weight: 4.00 lbs
• Warranty: 1 Year

Price:
$145.00

Price: $145.00

Item #: IONCH-12V30 |

Ionic Lithium LiFePO4 12V 30A Charger

Item #: IONCH-12V30

Voltage: 12 Volt / 30 Amp

• Dimensions: 10.4" / 5.2" / 2.6"
• Weight: 5.85 lbs
• Warranty: 1 Year

Price:
$259.00

Price: $259.00

Item #: IONCH-12X3 |

Ionic Lithium LiFePO4 12V 10A Charger [3-Bank]

Item #: IONCH-12X3

Voltage: 12 Volt / 10 Amp

• Dimensions: 12" / 9.5" / 2"
• Weight: 10.00 lbs
• Warranty: 1 Year

Price:
$319.00

Price: $319.00

Item #: IONCH-12X4 |

Ionic Lithium LiFePO4 12V 10A Charger [4-Bank]

Item #: IONCH-12X4

Voltage: 12 Volt / 10 Amp

• Dimensions: 12" / 9.5" / 2"
• Weight: 12.00 lbs
• Warranty: 1 Year

Price:
$369.00

Price: $369.00

Item #: IONCH-12X5 |

Ionic Lithium LiFePO4 12V 10A Charger [5-Bank]

Item #: IONCH-12X5

Voltage: 12 Volt / 10 Amp

• Dimensions: 14.75" / 9" / 2.5"
• Weight: 15.50 lbs
• Warranty: 1 Year

Price:
$449.00

Price: $449.00

Item #: IONCH-48V10 |

Ionic Lithium LiFePO4 48V 10A Golf Cart Charger

Item #: IONCH-48V10

Voltage: 48 Volt / 10 Amp

• Dimensions: 10.38" / 5.56" / 3.5"
• Weight: 5.80 lbs
• Warranty: 1 Year

Price:
$249.00

Price: $249.00

Item #: IONCH-36V12 |

Ionic Lithium LiFePO4 36V 12A Golf Cart Charger

Item #: IONCH-36V12

Voltage: 36 Volt / 12 Amp

• Dimensions: 11.13" / 5.75" / 2.75"
• Weight: 9.10 lbs
• Warranty: 1 Year

Price:
$249.00

Price: $249.00

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.