Best 12 Volt Lithium Dual Purpose Marine Battery in 2025
Updated on June 2025
#1
Recommended
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- Dual-purpose LiFePO4 battery for Group 31 boxes with 140Ah, functioning as a starter and deep cycle battery.
- Bluetooth 5.0 enables real-time monitoring of battery status, including charge and temperature; includes automatic heating for cold conditions.
- IP67 rated, ensuring waterproof and dustproof reliability in extreme environments.
- 140A BMS with over 20 safety protections against temperature, short circuits, and overcharging.
- 8 EV Grade-A cells provide over 4000 cycles and more power than typical AGM batteries.
- Supports parallel connections for enhanced deep cycle applications in marine and outdoor settings.
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- Dual-purpose LiFePO4 battery for Group 31 boxes with 140Ah, functioning as a starter and deep cycle battery.
- Bluetooth 5.0 enables real-time monitoring of battery status, including charge and temperature; includes automatic heating for cold conditions.
- IP67 rated, ensuring waterproof and dustproof reliability in extreme environments.
- 140A BMS with over 20 safety protections against temperature, short circuits, and overcharging.
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#2
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- Advanced marine battery with Bluetooth and self-heating technology, utilizing EV-grade A LiFePO4 cells for enhanced cranking and deep cycle capacity.
- High cold cranking amps (CCA) of 1000, suitable for starting gasoline outboards up to 225 hp and powering onboard electronics.
- Can function as both a starting and deep cycle battery for various 12V onboard devices like fishing reels and lights.
- Bluetooth 5.0 allows for easy monitoring of battery status via the LiTime App.
- Self-heating technology ensures efficient charging in cold conditions by warming the battery as needed.
- Built-in BMS provides over 20 safety protections, including overcharge and short-circuit prevention.
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- Advanced marine battery with Bluetooth and self-heating technology, utilizing EV-grade A LiFePO4 cells for enhanced cranking and deep cycle capacity.
- High cold cranking amps (CCA) of 1000, suitable for starting gasoline outboards up to 225 hp and powering onboard electronics.
- Can function as both a starting and deep cycle battery for various 12V onboard devices like fishing reels and lights.
- Bluetooth 5.0 allows for easy monitoring of battery status via the LiTime App.
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#3
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- Reliable dual-mode power suitable for both starter and deep cycle applications with 1200 CCA and high continuous discharge rate.
- Integrates features like Bluetooth 5.0, a robust 200A Battery Management System, IP67 waterproof rating, self-heating capability, and forced start button.
- Automatic self-heating activates below 0°C (32°F) to ensure optimal performance for cold starts, warming battery to 5°C (41°F).
- Delivers 1200 CCA in 6 seconds and 900 CCA at 30 seconds, with over 6,000 deep cycles at 80% depth of discharge, offering consistent power for both cranking and deep cycle use.
- Dual-terminal design powers both motor and onboard devices, providing lightweight and versatile performance that surpasses lead-acid batteries.
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- Reliable dual-mode power suitable for both starter and deep cycle applications with 1200 CCA and high continuous discharge rate.
- Integrates features like Bluetooth 5.0, a robust 200A Battery Management System, IP67 waterproof rating, self-heating capability, and forced start button.
- Automatic self-heating activates below 0°C (32°F) to ensure optimal performance for cold starts, warming battery to 5°C (41°F).
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#4
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- Designed for both starter and deep cycle applications, delivering 1000 CCA and a high continuous discharge rate suitable for high amp uses like trolling motors.
- LiFePO4 battery lasts over 2500 cycles at 100% depth of discharge, significantly outlasting traditional lead-acid batteries which typically last around 500 cycles at 50% discharge.
- Features an automatic Battery Management System (BMS) that safeguards against overcharging, discharging, and short circuits; resets automatically for added convenience.
- Constructed from non-toxic, environmentally safe materials, reducing risks associated with overheating or fire; can be mounted in any orientation without concern for acid leakage.
- Backed by a 10-year warranty, emphasizing long-term reliability and customer support; recommend using a dedicated lithium battery charger.
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- Designed for both starter and deep cycle applications, delivering 1000 CCA and a high continuous discharge rate suitable for high amp uses like trolling motors.
- LiFePO4 battery lasts over 2500 cycles at 100% depth of discharge, significantly outlasting traditional lead-acid batteries which typically last around 500 cycles at 50% discharge.
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#5
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- Dual-purpose battery for both starting and deep-cycle use, providing 1200 CCA at 6 seconds and 900 CCA at 30 seconds for high amp draw applications.
- 100Ah LiFePO4 battery with EV A grade cells offers up to 10 years lifespan and weighs only 24.25 lbs, significantly lighter than traditional lead-acid batteries.
- Self-heating technology activates below 0°C (32°F) to maintain performance in cold weather by warming the battery to 5°C (41°F).
- Force start button available for an emergency power surge when battery levels are low.
- 200A BMS with Bluetooth 5.0 enables real-time monitoring via a mobile app, along with safety features like overcharge and short-circuit protection.
- IP67 rated for waterproof and dustproof durability, ensuring reliable operation in tough conditions.
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- Dual-purpose battery for both starting and deep-cycle use, providing 1200 CCA at 6 seconds and 900 CCA at 30 seconds for high amp draw applications.
- 100Ah LiFePO4 battery with EV A grade cells offers up to 10 years lifespan and weighs only 24.25 lbs, significantly lighter than traditional lead-acid batteries.
- Self-heating technology activates below 0°C (32°F) to maintain performance in cold weather by warming the battery to 5°C (41°F).
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#6
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- 12V 150Ah lithium battery provides 1,600 cranking amps for starting outboard motors (150–250hp), including Mercury 4-stroke engines.
- Features an advanced Battery Management System for safety, including terminal cut-off, cell balancing, and protective measures against over/under voltage and cold weather.
- Compact design at 33.1 lbs, which is 70% lighter than lead-acid batteries, fits standard Group 31 dimensions and offers easy installation with dual terminals.
- Long-lasting with 3,000–5,000 cycles, allows 99% Depth of Discharge, and charges 5 times faster than traditional batteries while maintaining performance down to 10V.
- Compatible with multiple battery systems and brands, supports up to 4 batteries in series and unlimited in parallel, and includes an 11-year warranty.
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- 12V 150Ah lithium battery provides 1,600 cranking amps for starting outboard motors (150–250hp), including Mercury 4-stroke engines.
- Features an advanced Battery Management System for safety, including terminal cut-off, cell balancing, and protective measures against over/under voltage and cold weather.
- Compact design at 33.1 lbs, which is 70% lighter than lead-acid batteries, fits standard Group 31 dimensions and offers easy installation with dual terminals.
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#7
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- Lightweight lithium iron phosphate (LiFePO4) battery with high cold cranking amps (1200 CCA) for superior performance.
- Suitable replacement for Group 31 applications in marine, RV, and solar setups, offering dual-purpose capabilities.
- Equipped with true marine dual post terminals and an emergency start function for added convenience.
- Specifications include 12V voltage, 100 amp hours, dimensions of 12.99" x 6.81" x 8.66", and a weight of 24.2 lbs; compatible with lithium-ion chargers only.
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- Lightweight lithium iron phosphate (LiFePO4) battery with high cold cranking amps (1200 CCA) for superior performance.
- Suitable replacement for Group 31 applications in marine, RV, and solar setups, offering dual-purpose capabilities.
- Equipped with true marine dual post terminals and an emergency start function for added convenience.
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#8
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- 800CCA high-power starting capacity with 40C discharge rate, ideal for reliably starting outboard motors and powering heavy-duty equipment.
- Features luxury car-grade prismatic cells that provide higher resistance to shock and vibration compared to standard soft-pack cells, ensuring longevity and stable performance.
- IP67 rated for complete dust and waterproofing, making it suitable for challenging marine and outdoor environments.
- Patented structural design prevents battery swelling and extends cycle life, engineered for high-frequency vibrations and shocks commonly found in marine applications.
- Equipped with Battery Management System (BMS) for enhanced safety, compliant with ABYC standards and certified by UL1973, FCC, CE, RoHS, and UN38.3 for reliable power.
- Lifetime technical support and 24/7 customer service available; suitable for outboard engines and lawn mowers but not recommended for cars or tractors.
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- 800CCA high-power starting capacity with 40C discharge rate, ideal for reliably starting outboard motors and powering heavy-duty equipment.
- Features luxury car-grade prismatic cells that provide higher resistance to shock and vibration compared to standard soft-pack cells, ensuring longevity and stable performance.
- IP67 rated for complete dust and waterproofing, making it suitable for challenging marine and outdoor environments.
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#9
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- Replacement for lead-acid batteries with higher energy density and power.
- Made from safe, non-toxic materials; not prone to thermal runaway.
- Grade A+ battery with over 15,000 lifespan; charges fully in about 5 hours.
- Smart BMS with temperature control to protect against extreme conditions and electrical issues.
- Expandable up to 4 in series and parallel for versatile energy storage applications.
- 36-month warranty against manufacturing defects.
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- Replacement for lead-acid batteries with higher energy density and power.
- Made from safe, non-toxic materials; not prone to thermal runaway.
- Grade A+ battery with over 15,000 lifespan; charges fully in about 5 hours.
- Smart BMS with temperature control to protect against extreme conditions and electrical issues.
- Expandable up to 4 in series and parallel for versatile energy storage applications.
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#10
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- 800CCA cranking power suitable for 135hp outboard engines and lawn mowers.
- Features prismatic cells for shock and vibration resistance, ensuring durability and longevity.
- Developed with an innovative sheet metal design for enhanced durability and reliability.
- IP67 rated for waterproof and dustproof capabilities, ideal for marine use.
- Charges rapidly in 40 minutes, lighter and longer-lasting than traditional AGM batteries.
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- 800CCA cranking power suitable for 135hp outboard engines and lawn mowers.
- Features prismatic cells for shock and vibration resistance, ensuring durability and longevity.
- Developed with an innovative sheet metal design for enhanced durability and reliability.
- IP67 rated for waterproof and dustproof capabilities, ideal for marine use.
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