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Top 6August 2025

Best Lithium Boat Batteries 12v Dual Purpose

We made a list of the top 6 Lithium Boat Batteries 12v Dual Purpose based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

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

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

EPOCH BATTERIES

✓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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Redodo 12V 140Ah Dual Purpose Lithium Marine Battery, 1000CCA Group 31 Bluetooth Starting Battery with Self Heating

Redodo 12V 140Ah Dual Purpose Lithium Marine Battery, 1000CCA Group 31 Bluetooth Starting Battery with Self Heating

✓【Marine Starting Battery Plus Deep Cycle Performance】Redodo 12 volt 140Ah dual purpose marine battery offers 1000 CCA (Cold Cranking Amps) and 1200 MCA (Marine Cranking Amps), born for cranking up fuel powered marine outboard motor.
✓【Universal fit】Compatible with most fuel-powered outboards including YAMAHA, Suzuki, Honda, Mercury, Evinrude and Tohatsu models.
✓【Energy Reserve Mode】Equipped with ERM (Energy Reserve Mode) Function, which can automatically reserve 25% capacity to ensure enough power for starting your engine and returning to shore even after a long day.
✓【Smart Bluetooth & OTA Function】Easily monitor and control your marine starting battery 12v via smartphone. Besides, this battery features OTA (Over-The-Air) upgrade, enabling direct updates to new Bluetooth software and access to the latest functionalities.
✓【Group 31 Size 】Universal Group 31 dimensions (13" L × 6.77" W × 8.5" H) , 36.55lbs ultra-lightweight design for direct lead-acid replacement.
✓【IP67 Waterproof】With an IP67 waterproof and dustproof rating, ensures reliability in marine and humid environments.
✓【Self-Heating Technology】Charges reliably even at -4°F/-20°C thanks to self-heating tech, it's built to withstand extreme environments.
✓【EV Grade cells】Powered by 8 EV Grade cells ensures 5,000+ starts and 4,000+ cycles @100% DoD.
✓【Scalable Power】Support parallel connection of up to 4 batteries for higher CCA or 4P4S configuration for expanded deep-cycle energy.
✓【20+ Protections & Safty Certified】Compliant with ABYC equirements for lithium batteries., UL1973, FCC, and CE standards.

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7% Discount

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

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

✓🔋【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 features—from 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 performance—delivering 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 Dual】Expandable 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, it’s 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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WEIZE 12V 105AH Dual Purpose LiFePO4 Lithium Battery, 1000CCA Group 31 Group 27 GC2 Starter Battery Plus Deep Cycle Performance, Built-in Smart BMS, Perfect for Automotive, Trolling Motor, Marine, RV

WEIZE 12V 105AH Dual Purpose LiFePO4 Lithium Battery, 1000CCA Group 31 Group 27 GC2 Starter Battery Plus Deep Cycle Performance, Built-in Smart BMS, Perfect for Automotive, Trolling Motor, Marine, RV

✓✅ DUAL PURPOSE : WEIZE lithium battery is built for starter and deep cycle performance which provides 1000 CCA and a high continuous discharge rate, making it a great choice for high amp draw applications like run trolling motor. In addition, the 12V 105Ah provides the same legendary deep cycle marine performance, giving you lots of power for a long time. Includes a terminal adapter compatible with most marine, automotive, and deep cycle applications.
✓✅ BUILT TO LAST: Our LiFePO4 Batteries live more than 2500 cycles at 100% DOD, without decreasing in performance. The average lifetime of lead-acid batteries is about two years(500 cycles) at just 50% discharge. This means our battery will last at least 5 times longer than a lead-acid but only half the weight. Besides, this battery is Group 24, 27, 31, GC2 physical dimensions compatible. The Cranking power & usable deep cycle capacity is much higher than a lead-acid of the same group size.
✓✅ AUTOMATIC BMS AND MAINTENANCE-FREE: The built-in Battery Management System (BMS) protects your battery from Over Charge and Discharge, Over Current, Short Circuiting, as well as Low and High Temperature for increased performance and longer life. The BMS will automatically cut off the battery and the voltage will drop below 1V. Only when the circuit is cut off, the battery will automatically reactivate after 1 second(No longer need a higher voltage input to activate).
✓✅ SAFE AND ENVIRONMENTALLY FRIENDLY: Made from 100% safe, nontoxic, not hazardous energy, Weize LiFePO4 battery has higher chemical stability, it is not prone to thermal runaway and will not overheat or catch on fire even if punctured. With no acid in the battery, you're able to safely mount in any position. BUT please read the user manual carefully before using, don't hesitate to call us if you have any questions about the battery.
✓✅ 10 YEAR WARRANTY: As the No.1 lead acid battery brand on Amazon, we aim for quality followed up with quality customer service, Amazon doesn't deal with the return of battery-related products, so please contact the seller directly. Weize support team is on standby for YOU. ✅ NOTES: Please charge the battery with a dedicated LITHIUM BATTERY CHARGER, and no more than 4 batteries in series.

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

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

✓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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10% Discount

Redodo 12V 100Ah Bluetooth Dual-Purpose 900CCA Group27 Marine Battery, Starting Battery with Heating & Smart Power Retention

Redodo 12V 100Ah Bluetooth Dual-Purpose 900CCA Group27 Marine Battery, Starting Battery with Heating & Smart Power Retention

✓【 Dual-purpose Marine Power】 The Rdedodo dual purpose marine battery offers 900 CCA (Cold Cranking Amps) and 1000 MCA (Marine Cranking Amps), with a large instantaneous current value (up to 12C), born for starting fuel-powered outboard engines. At the same time, it can also handle deep cycle power supply scenarios, and is ideal for fishing, camping, RVs etc.
✓【 Smart Bluetooth 】 The dual-purpose lithium marine battery is convenient for monitoring the battery status of a mobile phone, and it can also control turn off the battery.
✓【 OTA Function 】In the field of marine starting batteries, it was the first to introduce the OTA function. Just like the automatic update of your Intelligent car system, your Redodo battery can now be remotely upgraded via Bluetooth! Enable batteries to be updated and upgraded without disassembling devices or returning them to the factory.
✓【Smart Power Protection】The Redodo battery intelligently retains approximately 25% of its capacity, ensuring there is always sufficient power to start the outboard engine and return to shore in critical moments. And in an emergency, pressing the power button for a long time can force the battery to start or restart, allowing you to sail without worries.
✓【Compatible with Most Outboard Engine Brands 】 Compatible with YAMAHA, Suzuki, Honda, Mercury, etc.
✓【Group27 Size 】 Universal size Group27, (10.1 "length x 6.92" width x 5.58 "height), 23.1 pounds ultra-light design. It can directly replace lead-acid batteries.
✓【EV Grade A cells + BMS Multiple Protections 】With overcharge/overdischarge/short circuit/high & low temperature protection, provides 5000+ start time and 4000+ depth cycles@100%DOD.
✓【 Self-heating Technology 】 Safe charging at -4°F/-20°C, not restricted by the environment.
✓【 Global Authoritative Certification 】IP67 waterproof housing. Certified by the ABYC E-13 Marine lithium standard and in compliance with UL1973/FCC/CE standards.
✓【NOTE】Do not use it as a starting battery for any type of vehicle, such as cars, motorcycles, trucks, etc.

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