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Fleet Lithium  |  SKU: BM12V105  |  Barcode: 53227027

BlueMax Marine 12V 105Ah LiFePO4 Battery (Group 24)

Sale price $42210 USD Regular price $46900
Shipping calculated at checkout.
10-Year Warranty US-Based Support Ships From The USA 30-Day Guarantee Safe Chemistry

BlueMax Marine 12V 105Ah LiFePO4 Battery (Group 24)

High-performance 12V 105Ah LiFePO4 deep cycle battery from BlueMax Marine. Built for trolling motors, marine electronics, RV house power, and solar storage. Lightweight, maintenance-free, and built to last 5,000+ cycles.

Key Specs
  • Chemistry: LiFePO4
  • Voltage: 12V
  • Capacity: 105Ah
  • Form Factor: Group 24
  • Cycle Life: 5,000+ cycles at 80% DoD
  • BMS with overcharge, over-discharge, short circuit, and thermal protection
  • Bluetooth monitoring
FAQ

What is this battery best for? Marine trolling motors, fish finders, RV house batteries, and solar energy storage.

Is this a drop-in replacement for lead-acid? Yes. Group 24 form factor fits standard battery trays. Requires a LiFePO4-compatible charger.

  • 5 stars: 8 (73%)
  • 4 stars: 2 (18%)
  • 3 stars: 1 (9%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
C
Colbyutahman (United States)
fantastic upgrade

What a fantastic upgrade from my old acid batteries. It was time and I’m so impressed. Shipping came smoothly. Customer service has been fantastic and looking forward to the adventures to come including camping, RV, fishing, boating.

Hi Colby, we're thrilled to hear you're impressed with your upgrade! Enjoy your adventures, and thank you for choosing Fleet Lithium.

M
Mackenzie G.
Good marine upgrade with careful planning — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery worked well after verifying the charger and cable layout for the boat. The initial setup took some care, but the battery has been reliable since installation.

Hi Mackenzie, we're glad to hear the BlueMax marine battery is working well for your boat after careful setup. Thanks for sharing your experience!

G
Gabriella P.
A practical replacement for lead-acid — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery eliminated routine water checks and corrosion cleanup while providing smoother power. The battery compartment is cleaner and easier to inspect now.

Hi Gabriella, thank you for sharing your positive experience! We're glad the BlueMax Marine battery is making your maintenance easier and providing smooth power. Enjoy your adventures on the water!

A
Ariana N.
Steady power and less battery weight — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery noticeably reduced the weight carried in the battery area. The boat electronics have operated consistently, and the battery has been easy to recharge.

Z
Zoe B.
Consistent output throughout the day — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery has maintained stable voltage for the equipment used during typical outings. There is less concern about performance dropping off suddenly late in the day.

J
James U.
Well-suited for regular outings — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery has handled repeated weekend use without unexpected performance changes. It has been easy to monitor, recharge, and leave ready for the next trip.

E
Eliana Q.
A lighter, cleaner battery setup — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery reduced the weight and clutter in the battery area compared with the previous setup. Charging has been straightforward, and the available power has remained consistent during use.

A
Ashley P.
Good performance, more setup guidance would help — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery has met the power needs of the boat, although additional charger and wiring examples would be useful. After installation, operation has been simple and reliable.

S
Scarlett N.
Reliable marine power from the BlueMax 105Ah marine battery — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery has provided steady power for onboard electronics and normal time on the water. It is easier to handle than the older battery and has required very little attention between trips.

A
Alexandra G.
Solid battery after a longer installation — BlueMax 105Ah marine battery

Fitting the BlueMax 105Ah marine battery into the existing battery space took more measuring than expected. Once secured, it has delivered dependable power and reduced the overall battery weight.

E
Eli E.
Predictable runtime on the water — BlueMax 105Ah marine battery

The BlueMax 105Ah marine battery makes it easier to plan a day out because the power does not fade as abruptly as the old battery. The battery has also stayed clean and maintenance-free between outings.

Pair it right

Make sure this pack matches your motor

Trolling motors pull about one amp per pound of thrust. Enter your motor, hours and throttle to confirm this capacity covers your day on the water.

Size your marine pack

Recommended capacity

—

Estimate based on ~1A per lb of thrust at 12V and 80% usable depth of discharge. Message us with your rig for an exact recommendation.

Match your system

Choose the battery voltage, dimensions and discharge rating required by your equipment.

Plan your capacity

Compare the listed amp-hour capacity with your equipment load and intended runtime. Actual runtime varies with use.

Check charging compatibility

Confirm that your charger and onboard charging system support the selected LiFePO4 battery.

10-year battery warranty

See Fleet Lithium warranty details for coverage and terms. Contact our team for help choosing the right battery.

Other Fleet Lithium marine batteries

Shop marine lithium batteries
  • 10-year battery warranty
  • Fleet Lithium support
  • Match voltage and capacity
  • Check charging compatibility
Fleet Lithium BlueMax Marine 12V 195Ah LiFePO4 Deep Cycle Battery (Group 27) lined up on a wooden railing with a boat in the background.

Plan your marine battery upgrade

Match the battery voltage and capacity to your equipment, expected load and available space. Confirm discharge requirements and compatibility with your charger and onboard charging system before ordering. Actual runtime varies with your setup and use. Contact Fleet Lithium for help selecting the right battery.