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Top 8August 2025

Best Group 27 Dual Purpose Lithium Marine Battery

We made a list of the top 8 Group 27 Dual Purpose Lithium Marine Battery based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

UPLUS BCI Group 27M Dual Purpose Marine Battery, 12V 92Ah 800CCA AGM Starting and Deep Cycle Boat & RV Batteries for Navigation Devices, Lights and Engines

UPLUS BCI Group 27M Dual Purpose Marine Battery, 12V 92Ah 800CCA AGM Starting and Deep Cycle Boat & RV Batteries for Navigation Devices, Lights and Engines

UPLUS NEW TECHNOLOGY BATTERY

✓STARTS ENGINES UP TO 350HP --- 12V 92Amp Hours (AH)@20 Hr Dual Purpose Marine Battery has 175RC and 800CCA. Superior starting power starts engines from 70 – 350hp.
✓SPACE-SAVING DESIGN --- A dual purpose marine battery eliminates the need for two separate units by combining the functions of a starter and deep cycle battery. This frees up space in your boat and simplifies your electrical system.
✓EXTREME VIBRATION RESISTANCE --- Uplus exclusive technology to combat the effects of wave pounding and damage from trailer transport. AGM batteries are sealed, due to their construction, are inherently more resistant to vibration than traditional flooded lead-acid batteries.
✓SUPERIOR STRENGTH & ENDURANCE --- Thicker full frame cast plates for improved strength and durability, making the battery last longer.
✓REDUCED WEIGHT --- Choosing a dual purpose marine battery means you carry one battery instead of two, which lightens your boat’s overall weight. A lighter boat can lead to better fuel efficiency and handling.
✓LOCAL AFTER-SALES SUPPORT --- 24 Month Warranty - 60 day refund window.UPLUS has a fixed office and warehouse in California, and the local after-sales team responds within 12 hours.

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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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NOCO Lithium NLX27: 12V Dual-Purpose LiFePO4 Lithium-Ion Battery - 100Ah Deep-Cycle and 1400A Group 27 Starter Battery - UL Listed - Built-In Dynamic BMS

NOCO Lithium NLX27: 12V Dual-Purpose LiFePO4 Lithium-Ion Battery - 100Ah Deep-Cycle and 1400A Group 27 Starter Battery - UL Listed - Built-In Dynamic BMS

✓MEET THE NLX27 — A dual-purpose lithium battery that delivers the starting power of a starter and the deep-cycle capacity of lithium. Outperforms lead-acid with less weight, more power, faster charging, and longer-lasting performance.
✓UNMATCHED STARTING PERFORMANCE — Delivers 1,400 amps of peak current - twice that of lead-acid - for effortless starts in any condition. With 175 amps of continuous power, it’s one of the most capable starter batteries ever built.
✓PURE DEEP-CYCLE POWER — Get 100 amp-hours of uninterrupted energy with no voltage drop-off. Advanced lithium technology ensures consistent performance and delivers up to 2x the usable capacity of comparable lead-acid batteries.
✓PERFECT FIT — Designed for Group 27 drop-in replacement. The quad-post layout supports series or parallel setups - up to 4 batteries - with versatile terminals, including threaded, SAE, and button head, for maximum connection flexibility
✓DYNAMIC BMS — Built-in battery management system ensures safety and reliability with bidirectional cell balancing and protection from overcharge, overdischarge, short circuits, and more - plus active thermal monitoring with no resets required.
✓FAST CHARGING — Recharge completely in just 2.0 hours with a 50A charge current - 2x faster than lead-acid. Advanced lithium tech delivers blazing-fast speed and unmatched efficiency, taking charging performance to an entirely new level.
✓ENGINEERED TO LAST — Built with an engineered plastic shell and reinforced by a honeycomb lattice, it’s made to endure harsh environments—resisting vibration, water, and dust intrusion with an IP65 rating for rugged, lasting performance.
✓LONG BATTERY LIFE — Delivers up to 6,000 cycles at 50% depth-of-discharge—lasting 20x longer than lead-acid. With 2,000 cycles at 100% DOD, it offers exceptional lifespan and long-term savings, making it the smarter power investment.
✓IN THE BOX — Includes NLX27 100Ah lithium battery, handle, hex key, terminal covers, (2) SAE posts, (2) 3/8-inch posts, (2) 5/16-inch posts, and (2) button head bolts. It also comes with a 5-year warranty and is proudly designed in the USA.

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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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25% Discount

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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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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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. Note: It is not recommended to use outboard motors built before 2005.
✓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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OPTIMA Batteries High Performance D34M BlueTop Dual Purpose Deep Cycle and Starting Sealed AGM Boat and RV Battery, 750 CCA, Dual Terminal, Maintenance Free, Versitile Mounting

OPTIMA Batteries High Performance D34M BlueTop Dual Purpose Deep Cycle and Starting Sealed AGM Boat and RV Battery, 750 CCA, Dual Terminal, Maintenance Free, Versitile Mounting

✓BATTERY SPECS: 12-Volt, 750 Cold Cranking Amps, Size: 10.06" Length x 6.88" Wide x 7.94" Tall, Weight: 43.5 pounds, Dual SAE & 5/16" Stainless Steel Stud Posts, C20 Capacity: 55 AH, MCA 870
✓RESERVE CAPACITY of 120 minutes for constant performance. Faster charging capabilities.
✓SPIRALCELL TECHNOLOGY: Spircalcell Technology with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries. Optimal starting power even in bad weather.
✓LONG LASTING: Fifteen times more resistant to vibration than standard flooded battieres for durability and Up to 3 times longer life vs. standard flooded batteries.
✓DUAL PURPOSE & MAINTENANCE FREE: Dual purpose for both deep cycle and starting applications. Maintenance Free for maxium convenience.

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