Banshee Group 27 LiFePO4 Marine Battery, 900 CCA, 5-Year Warranty

Deep Cycle Lithium-Ion True Marine Dual Terminal Battery With Emergency Start 900CCA Group Size 27

Deep Cycle Lithium-Ion True Marine Dual Terminal Battery With Emergency Start 900CCA Group Size 27

$529.55

$1,300.00

5 Year Warranty

Free Shipping To US Inner 48

Voltage: 12

Amp Hours: 70

Chemistry: Lithium-Iron Phosphate (LiFeP04)

Cold Cranking Amps: 900

Group Size: BCI: 27

Dimensions: L - 12 x W - 6.81 x H - 7.87

Weight: 18.8 lb

Water Resistance Rating: IP65

Depth of Discharge Rate:

3500+ cycles at 100% DOD

7000+ cycles at 80% DOD

13000+ cycles at 50% DOD

Can be used in both parallel and series.

Can be used in series 24V, 36V, or 48V applications.

Use only Lithium-Ion LiFeP04 chargers with this battery.

Click Here To View Group 27 Series Connection Diagrams

Banshee Batteries Group 27M Marine, RV, Solar Application LifePo4 Lithium Ion Battery

There is nothing like it. There are so many things about this new lightweight super powered battery to describe, but we are gonna try. If you're into boating, sailing, fishing, RV, or anything outdoors and you need Power, Banshee has you covered. Our new Super lightweight Lithium ion LifePo4 battery is 1/3 the weight and has 3xs the life.

Here are the Highlights..

CCA - 900, If you're boating or fishing and 900CCA won't get you started, it's too cold to be boating or fishing. Go Home.
Dual Terminal Marine Posts - Yes, real dual terminal marine posts - just like every other marine battery made since 1930. No need for adapters.
Lightweight - Weighs 60% less than typical AGM or Lead batteries.
Extended Life Cycle - lasts 3X longer than AGM or SLA batteries.

Additional Features/Details

High power BMS “Battery Management System” - This will protect the battery from being over-charged, discharged or even short-circuiting. The feature regulates the amount of power being utilized and serves as an automatic shut-off system to protect the Lithium-Ion LiFeP04 cells. This also serves as a safety precaution if/when operating under unsafe conditions.
Patent Pending Dual Marine Posts - Made of the highest quality fine copper to increase the unit's starting ability.
Extreme Light Weight - Weighs only 18.8 lb compared to most group 27 batteries which can weigh up to 53.8 lb.
Carrying Handle - Handle For Easy Carrying
Superior Cranking Power - Up to 70% more cranking power than other products
Extended Cycle Life - Lasts up to 3Xs longer than standard SLA batteries
Completely Sealed - Can be installed in any direction or position
Low Self Discharge - Able to start with extended periods of storage
Green Energy - Non toxic, no acid, no lead, environmentally friendly

It's not a Battery, It's a Banshee

Extreme Light Weight

Weighs only 18.8 lb compared to most group 27 batteries which can weigh up to 53.8 lb.

Lithium Deep Cycle Marine Battery Replaces Optima D27M 8027-127 Group 27

Dual Post True Marine Terminals

Lithium Deep Cycle Marine Battery Dual Post SAE Terminals

Handle For Easy Carrying

Lithium Deep Cycle Marine Battery Carrying Handle

Lithium-Ion LiFeP04 Battery Key Benefits

Lithium Deep Cycle Marine Battery Light Weight

Extreme Light Weight

Weighs only a fraction of the weight of a standard SLA battery

Lithium Deep Cycle Marine Battery Cranking Power

Superior Cranking Power

Up to 70% more cranking power than other products

Lithium Deep Cycle Marine Battery Extended Life Cycle

Extended Cycle Life

Lasts up to 3Xs longer than standard SLA batteries

Completely Sealed

Can be installed in any direction or position

Lithium Deep Cycle Marine Battery Discharge

Low Self Discharge

Able to start with extended periods of storage

Eco Friendly Lithium Deep Cycle Marine Battery

Green Energy

Non toxic, no acid, no lead, environmentally friendly

Battery Type:	Lithium-Iron Phosphate (LiFeP04)
Terminals:	Dual Marine Posts (SAE Terminals)
Voltage:	12 Volts
Capacity:	70 Amp Hours (Ah)
Cold Cranking Amps (CCA):	900+
Cycle Life	7,000+ cycles at 80% DOD
Weight:	18 Lbs
Warranty:	5 Years
Dimensions (L x W x H):	12" x 6.81" x 7.87"
Water Resistance Rating:	IP65

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Legendary 5-Year Warranty

This isn’t just a warranty—it’s our promise of unstoppable performance, reliability, and confidence, so you can power through every adventure without a second thought.

Customizable for Any Power Need

Parallel, series, or stand-alone—the Banshee adapts to your setup. From 24V to 48V applications, it’s ready to fuel any challenge you throw at it.

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Superior Cranking Power to Rule the Waters

With 900 Cold Cranking Amps, the Banshee Lithium Battery guarantees your engine roars to life every time. If it doesn’t, it’s too cold for the water—head home.

All-Weather Warrior (IP65 Rating)

Rain, waves, or storm—bring it on. The Banshee Lithium Battery is sealed, water-resistant, and built to thrive while other batteries die.

Tested and Trusted by Pro Anglers

Pro fishermen know the difference between landing the catch and heading back empty-handed. That’s why the Banshee Lithium Battery includes an Emergency Start Feature—a built-in reserve to fire up your engine, even if the main charge is drained. When others are stranded, you’re still in the game.

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Emergency Start Feature – Safety at Your Fingertips

When the moment calls for power, the Banshee’s exclusive Emergency Start Button answers—because legends don’t get left behind.

Handle For Easy Carrying

18 lbs has never been lighter.

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Featherweight Design, Heavyweight Performance

Say goodbye to back-breaking AGM batteries. At only 18.80 lbs, the Banshee Lithium Battery is the lightest heavyweight in its class.

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Outlast the Competition—3X the Lifespan of AGM

With up to 13,000 cycles, the Banshee Lithium Battery delivers 3X the lifespan of traditional batteries.

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Smarter, Safer Power with Advanced BMS Technology

You live for the thrill of the water—your battery lives to keep you safe. The Banshee Lithium Battery’s cutting-edge Battery Management System protects against overcharging, discharging, and short circuits, ensuring reliable, safe power for every adventure.

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Low Self-Discharge Rate Always Ready to Hit the Water

Some batteries go soft during the off-season. Not this one. With low self-discharge, the Banshee is primed and ready even after months of storage. No excuses, no downtime—just reliable power when you need it.

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Sealed & Safe

Its completely sealed design means you can install it upright, sideways, or even in tight spaces without worrying about leaks.

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Super Conductive Dual Marine Posts

Crafted from premium fine copper, the Banshee's patent-pending dual marine posts ensure maximum conductivity and enhanced starting performance. Designed to meet the toughest demands on the water

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Clean Power for Dirty Work

Lead, acid, and toxins have no place on your boat. The Banshee Lithium Battery gives you all the power without the poison. It’s eco-friendly, non-toxic, and ready to fuel your adventures while keeping the waters clean.