10 Best Best Lithium Marine Cranking Battery of 2025

Tested and Reviewed: Top 10 Best Lithium Marine Cranking Battery deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

EPOCH BATTERIES

12V 120Ah Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery (Dual Purpose), Group 27 Built-in 150A BMS with 1100CCA, 800A @ 10s Cranking Ability, Perfect for Marine, Trolling Motors, RV

Editor's bottom line:

“This best lithium marine cranking battery is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

GROUP 27 - Dual Purpose Deep Cycle/Cranking Battery
800A @ 10s / 1100CCA - Compatible with outboard motors up to 250hp
150A Max Continuous Discharge
HEATED - Internal heating allows for charging in sub-zero conditions
BLUETOOTH - iOS and Android Apps, Over the Air Firmware updates
Victron Comms - CANBus entire string of batteries to Victron Cerbo
IP67 Rated, Dust and WATERPROOF
6000+ Cycle life & Maintenance-free, 11 Year Manufacturer Warranty

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Picked by 184 people today

9.5

Ionic Batteries

Ionic Lithium 12V 150Ah | Dual Purpose Starter Battery 1600 CA + LiFePO4 Deep Cycle + Bluetooth

Main Highlights

DUAL PURPOSE STARTING & DEEP CYCLE: 12V 150Ah lithium battery delivers powerful performance with up to 1,600 cranking ampsideal for starting outboard motors from 150250hp, including Mercury 4-stroke engines. Trusted by thousands of boaters since 2019 as a reliable cranking battery.
BUILT-IN BMS & BLUETOOTH MONITORING: Advanced Battery Management System includes terminal cut-off and recovery, cell balancing, short-circuit, over/under voltage, and cold-weather charging protection. Monitor real-time battery status via Bluetooth on your smartphone.
LIGHTWEIGHT GROUP 31 DESIGN: Weighs only 33.1 lbs70% lighter than lead-acid alternatives. The base tapers down to compact Group 31 dimensions (13.3" x 7.3" x 8.5" at its widest) with dual 3/8-16 terminals for easy installation in any position. Drop-in ready for marine, RV, and solar setups.
ULTRA-EFFICIENT & LONG-LASTING: Offers 3,0005,000 cycles, 99% Depth of Discharge, and a 13% monthly self-discharge rate. Charges 5x faster than traditional batteries and discharges down to 10V for maximum runtime and performance.
WIDE COMPATIBILITY + 11-YEAR WARRANTY: Supports up to 4 batteries in series and unlimited in parallel. Works with Ionic, Noco Gen Pro, Minn Kota Precision, Dual Pro, Pro Mariner, and more. Backed by an industry-leading 11-year warranty for peace of mind.

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9.5

Litime

LiTime 12V 140Ah Bluetooth Dual Purpose 1000 CCA Marine Battery

Main Highlights

Marine starting battery plus deep cycle performance, LiTime dual purpose battery offers 1000 CCA (Cold Cranking Amps) and 1200 MCA (Marine Cranking Amps), born for crank up fuel powered marine outboard motor.
Power Reserve Mode - Automatically reserves enough power to start your engine, even after a long day on the water.
Fits Most Outboard Motor Brands: Yamaha, Mercury, Honda, Suzuki, Evinrude, Tohatsu,etc.
Self-heating technology for reliable charging in extreme temperatures (-20°C to 10°C/-4°F to 50°F).
Smart Bluetooth for easy monitor battery status on phone, also control power reserve mode and battery off.
EV Grade A LiFePO4 Starting Cells providing 5000+ cranking times and 4000+ deep cycles@100%DOD.
20+ protections with auto-recovery after overload protection (30s), salt-spray resistance, and moisture proof.
Group 31 for drop-in replacement of lead-acid batteries; UL1973, FCC, CE, RoHS, UN38.3 Certified.
IP67 Waterproof & Dustproof ensures reliability in marine and humid environments.
Support outboard alternator max. charging current up to 150A, charger up to 140A.

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9.2

Save 14%

Wattcycle

Wattcycle 12V 100Ah Dual Purpose Marine Cranking LiFePO4 Lithium Battery Bluetooth 1200CCA / 1500MCA, Starting Lithium Batterys with Self-Heating, Built-in 200A BMS, Perfect for Trolling Motor, Boat

14% Off

Main Highlights

Reliable Dual-Mode Power Uniquely Dual-Powered Meet the game-changer for your marine adventures the Wattcycle 12V100Ah dual purpose lithium battery! Designed specifically as a dual purpose marine lifepo4 battery, it delivers 1200CCA/1500MCA (Marine Cold start current / Marine Cranking Amps) to ignite even the toughest outboard motors instantly. With its (13.9x7.3x6.9in) and dual-terminal design, this marine starting battery powers both your motor and onboard devices like fish finders. No more swapping batteries enjoy all-day cruising and backup power in one rugged Lifepo4 battery that outperforms lead-acid by 40% lighter weight.
Complete Feature Integration WattCycle 12V 100Ah marine starting battery integrates a host of practical featuresfrom Bluetooth 5.0 connectivity and a robust 200A Battery Management System (BMS) to an IP67 waterproof rating, EV Grade A+ cells, self-heating capability, and a forced start button. This comprehensive package makes it a top contender among dual purpose lithium marine batteries, delivering performance and reliability wherever your adventures take you.
Optimized for Cold Weather Never worry about cold starts again. With an automatic self-heating feature that activates when temperatures drop below 0°C (32°F), this lithium cranking battery warms up until reaching 5°C (41°F), guaranteeing optimal performance. This smart design makes it one of the best starting marine battery options for chilly environments.
Powerful Cranking & Deep Cycle Engineered for strength and endurance, this dual purpose marine battery offers impressive performancedelivering 1200 CCA at 6 seconds and robust 900 cold cranking amp battery power at 30 seconds. Designed as a lithium marine cranking battery, it sustains over 6,000 deep cycles at 80% depth of discharge, ensuring consistent power for both starting and deep cycle applications.
Market First, Uniquely DualExpandable Power for Marine & Off-Grid Life Scale up to 16 units (48V400Ah system) for RVs or solar setups! This 12 volt 100Ah LiFePO4 battery delivers 1280Wh/2560W to run trolling motors, anchors, and boat lights, or power solar off-grid homes. Versatile and rugged, its your all-in-one outboard motor battery and energy hub. No more swapping batteries enjoy all-day cruising and backup power in one rugged Lifepo4 battery that outperforms lead-acid by 40% lighter weight.
Deep Cycle & Starting Reliability Built to deliver consistent power across various applications, this battery excels as a dual purpose marine battery. Whether you require deep cycle endurance for extended use or instant starting power, its design meets both needs. Rely on this lithium marine starting battery to provide versatile performance under any conditions.

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9.0

Wattcycle

WattCycle 12V 100Ah Marine Starting LiFePO4 Battery Bluetooth, [Cranking &Deep Cycle] Lithium Battery with Self-Heating, Built-in 200A BMS, Perfect for Trolling Motor, RV, Marine, Boat

Main Highlights

Dual Purpose Design: A versatile powerhouse, delivering steadfast energy for both marine adventurespowering trolling motors and electronicsand the demands of automotive engines. The Marine Cranking Battery, compact at 13.94 × 6.93 × 7.36 inches and weighing a mere 24.25 lbs, is your steadfast companion on water and road alike.
Self-Heating Feature: A guardian against the chill, this innovation springs to life as temperatures dip below 0°C/32°F, gently warming until a cozy 5°C/41°F is achieved. It stands as a sentinel, ensuring peak performance whispers through the cold, a testament to resilience in the frosty embrace of winter.
Cold Cranking Amps (900 CCA) & Forced Start Button: A steadfast force in icy conditions, offering unmatched starting power for marine and automotive demands. Paired with a Forced Start Button, it delivers a dependable emergency surge, guaranteeing energy is never out of reach, even when the battery falters.
High Capacity & Long Lifespan: Engineered to endure, this powerhouse boasts a remarkable 10-year lifespan and sustains over 6,000 deep cycles at 80% depth of discharge. A steadfast ally for both marine voyages and automotive journeys, it promises enduring performance and reliability.
Bluetooth Connectivity: Seamlessly monitor battery health, charge status, and usage through the WattCycle app, placing complete control and peace of mind right at your fingertips.
IP67 Rating: Engineered to endure, this water-resistant and robust companion excels in both land and aquatic settings. Perfect for boats, RVs, and various vehicles, it delivers unwavering, reliable power to effortlessly support a diverse array of needs.
ABYC Certified - Safety & Reliability: Equipped with a 200A Battery Management System (BMS), it safeguards against overcharging, over-discharging, and short circuits, ensuring peace of mind and steadfast performance in every use.

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8.8

Save 15%

HumsiENK

HumsiENK 12V 100Ah Dual Purpose Marine Starting LifePO4 Battery, 1200CCA, Bluetooth Lithium Cranking Battery with Self-Heating, Deep Cycle, Bulit-in Smart 200A BMS, Ideal for Trolling Motor, RV, Boat

15% Off

Main Highlights

DUAL-PURPOSE BATTERY: Designed for both starting and deep-cycle performance, HumsiENK 12V 100Ah marine cranking battery provides a high continuous discharge rate, delivering 1200 CCA at 6 seconds and 900 CCA at 30 seconds. This makes it an ideal choice for applications involving high amp draw, such as marine and automotive use.
IDEAL LEAD-ACID ALTERNATIVES: Equipped with EV A grade cells for exceptional quality and higher energy density, the 100Ah LiFePO4 battery offers an impressive lifespan of up to 10 years at 6000 deep cycles @ 80% DOD. Measuring 6.93" W x 13.94" L x 7.36" H and weighing just 24.25 lbs, it is half the weight of a 100Ah lead-acid battery.
AUTO-HEATING: Enjoy worry-free performance, even in extreme cold weather conditions. Thanks to its self-heating technology, the HumsiENK lithium cranking battery automatically warms up to 5°C (41°F) when the temperature drops below 0°C (32°F).
FORCE START POWER: The reliable force start button enables the battery to deliver a dependable emergency surge when it is almost out of energy.
200A BMS & BLUETOOTH: HumsiENK Bluetooth LiFePO4 lithium battery features an upgraded 200A BMS, connected to Bluetooth 5.0 module. This allows you to monitor the battery info(voltage, temp, etc.)in real time through the app, helping you to cope with all kinds of situations at any time. Additionally, the premium battery management system (BMS) provides overcharge, overdischarge, over-current, and short-circuit protection to ensure the battery's long-term safety and efficiency.
IP67 WATERPROOF: HumsiENK starter battery is equipped with IP67 waterproof and dustproof, ensuring reliable performance even in extreme conditions. It will give you peace of mind during your outboard adventures.
SUPPORT: HumsiENK LiFePO4 lithium batteries come with a 5 year solutions promise. We provide professional technical support and and 24-hour fast customer support, if you have any product related problems or questions, please do not hesitate to reach us, HumsiENK support team is always here for you!

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8.6

Redodo

Redodo 12V 20Ah LiFePO4 Lithium Battery, 800 CCA Group U1 Lithium Marine Cranking Battery Built in 20A BMS, 3X Starting Cycles Lithium Battery for Outboard Motor, Lawn Mower

Main Highlights

800CCA High-Performance Cranking BatteryRedodo 12V 20Ah Cranking Battery is perfect for boating and gardening enthusiasts. With premium cells and a robust design, it delivers an impressive 800A CCA(14@1s) and 810A MCA, making it suitable for powering a 135hp outboard engine and lawn mowers with exceptional performance.
Luxury Car-Grade CellsRedodo 20Ah Marine Cranking Battery features prismatic cells that offer superior resistance to shock and vibration compared to soft-pack cells. This ensures stable performance and a longer service life, making it the ideal choice for marine applications.
Sheet Metal Design- Industry Leading TechnologyRedodo 12V 20Ah Lithium Battery features an innovative sheet metal design, developed in-house for superior durability and resistance to swelling, ensuring a longer lifespan.
IP67 WaterproofWith an IP67 waterproof and dustproof rating, this marine starting battery excels in harsh environments, making it ideal for marine use.
Perfect Replacement for AGM Cranking BatteriesRedodo 12V 20Ah Cranking Battery charges rapidly with a 30A current in just 40 minutes. Lighter than lead acid batteries, it offers a longer lifespan and features a Group U1 casing design, making it a perfect replacement for your traditional AGM batteries.
100% BMS Safety & Low Maintenance CostThis Redodo 20Ah cranking battery is equipped with 20A BMS to enhance the safety protection performance of the battery. It complies with ABYC standards and has passed various tests, including UL1973, FCC, CE, RoHS, and UN38.3, ensuring a safer and more reliable power experience.
What You GetRedodo provides lifetime technical support and 24/7 customer service for every battery. For any inquiries, please reach out anytime. Besides, this 12V lithium battery is ideal for starting fuel outboard engines and lawn mowers but is not suitable for cars or tractors.

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Best Value

8.3

Save 28%

Litime

LiTime 12V 20Ah 800 CCA Marine Starting Lithium Battery, ATV,UTV Group U1 Low-Temp Protection LiFePO4 Battery, 4000-15000 Deep Cycles, Born for Crank up Marine Outboard Motor,Lawn Mower

28% Off

Main Highlights

Not Compatible: Don't use as a starter battery for Yamaha outboards, any type of vehicle, such as cars, motorbikes, tractors, etc,and golf cart, RV. 12V 20Ah marine starting lithium battery for ATV,UTV, marine engines and lawnmower starters only,This is not dual-purpose. For a dual-purpose marine starting and deep-cycle battery, try LiTime 12V 140Ah dual. Please consider the CCA to confirm whether this battery is suitable for your engine.
Low-Temp Protection: 20+ protections with low-temp cut-off, auto-recovery after overload protection (30s), salt-spray resistance, and moisture proof.
Deep Cycles: EV Grade A+ LiFePO4 Starting Cells: Delivers over 5000 cranking cycles, 10 times the cranking cycles than SLA batteries that of 300~500 cycles.
Waterproof & Small Size: IP67 Waterproof & Dustproof for withstand rainy, dusty, or wet conditions, ensuring reliability and longevity.BCI Group U1 size, 9.68 lbs, reducing the boat's weight for improved performance. Can be adapted for use with fuel-powered riding lawnmowers.
After-sales Service: As the #1 lithium battery brand on Amazon, liTime batteries come with a 5-year after-sales service! We also provide professional technical support and online customer service with fast feedback within 24 hours (customer seryice hours: 9:00 AM - 6:30 PM), lf you have any product related issues or questions, please contact us directly, Li Time support team is always here for you.

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8.1

Save 10%

Redodo

Redodo 12V 20Ah Lithium LiFePO4 Battery, 800CCA Cranking Battery, Group U1 Marine Battery Built in BMS, 40C Discharge Lithium Battery for Outboard Motor, Lawn Mower

10% Off

Main Highlights

800CCA High-Power Starting Battery with 40C DischargeThe Redodo 12V 20Ah marine starting battery delivers an impressive 800A CCA and supports up to 40C discharge rates perfect for boat fans, it reliably starts high-performance outboard motors and powers heavy-duty equipment like lawn mowers, ensuring strong, consistent performance every time.
Luxury Car-Grade Starting CellsRedodo 20Ah marine cranking battery features prismatic cells , the same starting batteries used in luxury cars. These cells offer superior resistance to shock and vibration compared to soft-pack cells, ensuring stable performance, longer lifespan, perfect for demanding marine use.
IP67 Waterproof, Dustproof & Salt Spray-Proof Designed to endure tough conditions, this marine starting battery boasts an IP67 rating, making it completely dustproof and waterproof. Perfect for harsh marine and outdoor environments.
Proprietary Structural Design- Industry Leading DesignRedodo 12V 20Ah marine battery adopts a patented structure developed by Redodo, utilizing a sheet metal frame design that effectively prevents battery swelling for extended cycle life, making it perfectly suited for marine environments with high-frequency vibrations and shock scenarios.
Meets ABYC Standards, 100% BMS SafetyThe Redodo cranking battery is equipped with BMS to enhance the safety protection performance of the battery. It complies with ABYC standards and has passed various tests, including UL1973, FCC, CE, RoHS, and UN38.3, ensuring a safer and more reliable power experience.
Usage TipsRedodo provides lifetime technical support and 24/7 customer service for every battery. Got questions? We're here anytime! Perfect for fuel outboard engines and lawn mowers, but not recommended for cars or tractors.

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8.1

Ionic Batteries

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

Main Highlights

HEAVY-DUTY PERFORMANCE: Ideal for motorcycles, UTVs, ATVs, snowmobiles, jet skis, and Sea-Doos with 720 Cranking Amps (CA) for reliable starts.
LIGHTWEIGHT & LONG-LASTING: Weighs 70% less than lead-acid batteries, offering 2-4x longer battery life.
ADVANCED FEATURES: Bluetooth technology for status checks, Automatic shut-off at 25% capacity, and Emergency Start feature.
DURABILITY & SAFETY: Includes Advanced Battery Management System (BMS), cell balancing, and protection against over-voltage, short-circuits, and low voltage.
COMPACT & CONVENIENT: Measures 6.9 x 3.4 x 5.1, weighs only 4.4 lbs, and comes with a 5-year warranty.

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Our Best Overall Choice

Best Choice

9.7

EPOCH BATTERIES

12V 120Ah Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery (Dual Purpose), Group 27 Built-in 150A BMS with 1100CCA, 800A @ 10s Cranking Ability, Perfect for Marine, Trolling Motors, RV

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

GROUP 27 - Dual Purpose Deep Cycle/Cranking Battery
800A @ 10s / 1100CCA - Compatible with outboard motors up to 250hp
150A Max Continuous Discharge
HEATED - Internal heating allows for charging in sub-zero conditions
BLUETOOTH - iOS and Android Apps, Over the Air Firmware updates
Victron Comms - CANBus entire string of batteries to Victron Cerbo
IP67 Rated, Dust and WATERPROOF
6000+ Cycle life & Maintenance-free, 11 Year Manufacturer Warranty

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