The Best group 31 marine battery of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best group 31 marine battery of 2022. Check our ranking below.

2,419 Reviews Scanned

Rank No. #1

12V 100Ah LiFePO4 Lithium Battery Group 31 (2-Pack) With Built-in 100A BMS, Low-Temp Protection Up to 15000 Deep Cycles Rechargeable Battery for RVs, Automotive Replacement Batteries

Compact & High Energy: GRNOE 12V 100Ah battery measures 12.9*6.7*8.6 inches and weighs 22.48 pounds, which is only 33% of traditional lead-acid batteries, and has an energy density of 57 Wh/Lbs, making it a perfect replacement for SLA/AGM batteries. Our battery life is more than 10 years than traditional batteries, saving you more money.
Smart Low-Temperature Cut-off: The 12V battery has a low-temperature protection function. The discharge temperature can be as low as -4℉. When it is below 32℉, BMS will cut off the charging immediately. Widely used in RVs, cabins, or off-grid in cold winter. Advanced BMS protection system protecting the battery from overheating, overcurrent, overcharge, over-discharge and short circuit. P.S. Use an adapter with a voltage of 14.6V±0.2V.
Reliable & Safe Battery: GRNOE 12V lithium battery adopts advanced A+ grade LifePO4 cells and is UL/UN38.3 certified, with higher energy density and more stable performance. The internal structure is optimized and new structural components are used to make the battery more compact, improve the high performance of the battery and ensure safety.
Wide Application: The GRNOE 12V 100Ah LiFePO4 battery delivers rapid and reliable power, supporting a max discharge current of 300A for 3 seconds and IP65 waterproof which is very suitable for 12V 36-55lbs trolling motor and can also be used in off-grid systems, RVs battery, home backup, Automotive Replacement Batteries and other fields. P.S. The battery is suitable for Trolling Motors, Marine, Boat rather than Start-Up.
3 Warranty and Lifetime Support: Within 36 months from the date of order, excluding human-caused failure events, we will promptly replace the product or Money-Back after confirmation. Welcome reach out to us with any questions, we are always here for you.

Rank No. #2

Interstate Batteries Marine Deep Cycle Battery 12V 100Ah 925CCA (31-AGM5) Pure Matrix Power Commercial Battery Pure Lead AGM Replacement (Group 31) Auxiliary Units APU, Starting Engines, Heavy Duty

EXTREME DEEP-CYCLE POWER: This 2-in-1 pure lead AGM battery delivers high-cranking, extreme deep cycle power. It's designed to provide reliable force over an extended period to power your boat's motor & all of its accessories (appliances, trolling motor, audio systems, depth finders, fish locators, windlass). Not all marine batteries are the same - but this one exceeds the rest. Built with thick plates to allow the battery to continuously discharge power so you can recharge it many times over without decreasing its lifespan
2X-3X MORE BATTERY LIFE: Interstate's deep-cycle marine AGM batteries pack more power into each battery. The expected service life is 3x longer than conventional flooded batteries & 2x longer than an alloyed lead AGM battery. High-quality & unparalleled service make Interstate the preferred brand of marine dual-purpose batteries
INTERSTATE TOUGH MARINE: Not all marine batteries are the same - but this one exceeds the rest. Built with thick plates to allow the battery to continuously discharge power so you can recharge it many times over, without decreasing its lifespan. This battery is not to replace batteries for automotive or mobility devices
MOST TRUSTWORTHY POWER SOURCE: For 70 years, Interstate Batteries purpose has been to deliver the most Outrageously Dependable source of power to the world. Our customers come first, so we strive to create a positive experience for all. We recycle more batteries than we sell; please return to an Interstate All Battery Center near you so we can continue recycling

Rank No. #3

Interstate Batteries Marine/RV Battery 12V 100Ah 825CCA Dual Purpose Power Pure Lead AGM RV & Marine Starting Replacement Battery (Group Size 31M) Boats, RV's (8-31MAGMDC / 31M-AGM-A)

SaleRank No. #4

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, Weize newest Lithium Iron Phosphate (LiFePO4) Batteries are confidently guaranteed for 10 years! 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.

Rank No. #5

Weize 12V 100Ah Deep Cycle Battery, Group size 31 Battery for RV, Solar, Camping, Cabin, Marine and Off-Grid System, 1150A Max Discharge Current, 3% Self-Discharge Rate

Deep Cycle Battery 12V 100 Amp Hour Sealed Lead Acid Rechargeable ; Parcel: 1 x Battery (screws included, but no wire harness or mounting). Terminal： Left : Positive (+)-Red, Right: Negative (-)-Black.
Dimensions: 12.99x 6.73x 8.43 inches (Replace UB121000, Renogy 100 AMP Hour). This sealed lead acid battery has a maintenance-free and spill proof design.
This 100AH SLA battery fits applications like wheelchair, scrubber, generator, lawn & garden, trolling motors. Also great for commercial customers in for schools, healthcare, and property management.
Also For Electric Vehicles, Golf Carts, Hunting, Lawn and Garden Tools, Portable Tools, Toys and Hobby, UPS System, Industrial and Medical Equipment,Emergency Lighting, Leisure, Alarm Security and more.
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.

Rank No. #6

LiTime 12V 100Ah LiFePO4 Battery BCI Group 31 Lithium Battery Built-in 100A BMS, Up to 15000 Deep Cycles, Perfect for RV, Marine, Home Energy Storage

Grade A+ LiFePO4 Battery: LiTime 12V100Ah BCI Group 31 LiFePO4 Lithium batteries have exceptional quality since they are manufactured by Grade A+ Lithium Iron Phosphate (LiFePO4) Cells with higher energy density, more stable performance, and greater power. Highest-level safety based on UL Testing Certificate for the cell inside the battery. This makes LiFePO4 batteries perfect for solar homes, RVs, campers, Trolling motors, and off-grid applications.
10 Years Lifetime: LiTime 12.8V 100Ah LiFePO4 battery provides 4000~15000 cycles (10 times longer) 4000 Time Cycles at 100% DOD, 6000 Time Cycles at 80% DOD, 15000 Time Cycles at 60% DOD & a 10-year lifetime compared to 200~500 cycles & a 3-year lifetime in the lead acid battery.
Lightweight-Easy to Move: LiTime 12V 100Amp LiFePO4 Battery Weighting only 24.25 lbs for one module, it weighs only 1/3* the weight of lead-acid batteries. LiFePO4 battery is 50% lighter than a lead acid battery with the same capacity.
95%* Efficiency: LiTime 12V 100Ah LiFePO4 battery’s flat discharge curve holds above 12.8 volt 100amp for up to 95%* of its capacity usage, providing astronomical boosts in run-time compared with only 50% in Lead Acid. This product is your best choice for outdoor camping power and indoor easy installation. Without memory effect, no matter what state the battery is in, it can be used as soon as it is charged.
24-hour timely feedback: As the #1 LiFePO4 lithium battery brand, LiTime batteries come with a 5-year warranty! We provide professional technical support and online customer service with fast feedback within 24 hours. If you have any product-related issues or questions, don't hesitate to contact us directly, the LiTime support team is always here for you.

Rank No. #7

Weize 12V 100Ah LiFePO4 Lithium Battery, Built-in Smart BMS, Low Temperature Protection Group 31 Deep Cycle Battery for Trolling Motor, RV, Solar, Marine, Camping and Off Grid Applications

Item Dimensions: LxWxH=13 x 6.77 x 8.48 inches.
OUR SERVICE: As the No.1 lead acid battery brand on Amazon, Weize newest Lithium Iron Phosphate Batteries are confidently guaranteed for 10 years! 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.
BUILT TO LAST: Our 12V 100Ah LiFePO4 Batteries live more than 2000 cycles at 100%/8000 cycles at 50%(Suggested) depth of discharge, without decreasing in performance. The average lifetime of lead-acid batteries is about two years(500 cycles) at just 50% discharge. This basically means a LiFePO4 battery will last you at least 5 times longer than a lead-acid battery, which actually reduces overall cost. It has cold weather protection which is critical.
AUTOMATIC BMS AND LOW TEMPERATURE CUT-OFF : 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). Besides, charging low temperature cut-off function will cut off the battery when the temperature below 32°F to ensure safe use and battery performance.
LIGHTWEIGHT AND VERSATILE: Compared to lead-acid batteries, lithium provides greater energy density and are at least 1/2 the mass, it is a perfect upgrade for any 12V Deep Cycle battery, and best choice for many applications such as Fish Finders, Ice Fishing, Camping, Solar System, Home Alarm Systems, E-Scooters. Please charge the battery with a dedicated LITHIUM BATTERY CHARGER, and no more than 4 batteries in series or parallel.

SaleRank No. #8

DC HOUSE 12V 100Ah LiFePO4 Lithium Battery, Bluetooth & Low Temp Cut-Off, Group 31 Lithium Battery, Up to 15000 Cycles, 100A BMS, Perfect for Trolling Motors, Marine, Boat, Solar

Low Temp Cut-Off: DC HUSE 12V 100ah lifepo4 battery has upgraded Low Temperature Protection. When the temperature sensor of 100Ah lifepo4 detects that the temperature is below 32℉, the BMS will cut off the charging function, cut off the discharge when it is below -7.6℉, and automatically recover after the temperature rises to 0℉. Effectively protect the 12V 100Ah battery and extend the battery life
Bluetooth APP Monitoring: DC HOUSE 12V100AH battery has built-in Bluetooth, which can connect with DC HOUSE APP (Bluetooth signal range 5-10 meters. It is convenient to monitor battery information such as SOC, voltage, current, etc., and the data is accurate to the specific cell of a battery, there is a special fault display page to help troubleshoot
10 Years Life & Up to 15000 Cycles: The 12V 100Ah lithium battery uses a Class A LiFePO4 battery, which has passed UL/UN38.3 test certification and has the highest safety level. The battery has up to 15,000 cycles and a service life of 10 years. In contrast, lead-acid/SLA/AGM batteries typically only last 3 years with 200-500 cycles
Wide Multiple: 100AH LiFePo4 lithium battery BCI Group31 compact size, perfect for RV, Boat, Trolling Motor, Fish Finders, Ice Fishing, Camping, Solar System, and Home Alarm Systems. Please charge the battery with a dedicated LITHIUM BATTERY CHARGER and no more than 4 batteries in series or parallel
Attention and Service: DC HOUSE is committed to providing 3 years of reported service for every battery sold. If you need help, please get in touch with us through Amazon or the after-sales address in the manual. We will provide professional and complete advice on battery connection, charging, and discharging

SaleRank No. #9

Weize Deep Cycle AGM 12 Volt 100Ah Battery, Maintenance-Free, 3% Self-Discharge Rate, 1150A Max Discharge Current, Perfect for RV, Solar, Trolling Motor, Wind, Marine, Camping and Off-Grid System

MAINTENANCE FREE: 12.99x 6.73x 8.43 inches. Weize 12v 100Ah sealed lead acid battery is manufactured with absorbent glass mat(AGM), which can help to save you from acid leakage and frequent maintenance. Terminal： Left : Positive (+)-Red, Right: Negative (-)-Black. Terminal： Left : Positive (+)-Red, Right: Negative (-)-Black.
OPERATING TEMPERATURE: Charging Temp ranges from 14℉ (-10℃) to 122℉ (50℃), discharging Temp ranges from 5℉ (-15℃) to 122℉ (50℃), best operating temperature 77°F (25℃), 1100A (5 seconds) max discharge current.
LONGER LIFESPAN: Compared with flooded counterparts, its lower self-discharge of 1-3% per month allows long storage before recharging, but keep the battery in a charged state and operate it in a appropriate temperature are helpful for prolonging the service life.
APPLICABILITY: With mature, reliable and well-understood technology, WEIZE 12V 100ah deep cycle battery is durable and can provide dependable service for RV, wheelchairs, scooters, golf carts, solar and UPS systems.
WARRANTY: 1-YEAR. WEIZE aims 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.

Rank No. #10

Interstate Batteries Marine/RV Battery 12V 100Ah 925CCA (31M-AGM) Dual Purpose Power Pure Lead AGM RV & Marine Starting Replacement Battery (Group Size 31M) Boats, RV's

DUAL PURPOSE MARINE RV BATTERY: Interstate's marine dual-purpose AGM battery can serve as both your cranking battery to start the motor & power your trolling motor - whether the motor is on or off! Built "Interstate tough" to withstand the most rugged conditions so you can spend more time having fun & less time worrying about your battery
2X-3X MORE BATTERY LIFE: This pure, non-alloy lead battery puts the most advanced battery technology on your side. The expected service life lasts 2x longer than conventional alloy AGM batteries & 3x that of a conventional flooded battery. With faster recharging & more overall life than a conventional alloy AGM battery, this battery stays ready for your fishing weekends
EXTREME DEEP-CYCLE POWER: This 2-in-1 pure lead AGM battery delivers high-cranking, extreme deep cycle power. It's designed to provide reliable force over an extended period to power your boat's motor & all its accessories (lights, televisions, appliances, water pumps & more). Not all marine batteries are the same - & this one exceeds the rest. Built with thick plates so the battery continuously discharges power so you can recharge it many times over - without decreasing its lifespan. To ensure you don’t lose power while on your next trip, our batteries have been thoroughly tested & provide Outrageously Dependable benefits to boat & RV owners
MOST TRUSTWORTHY POWER SOURCE: For 70 years, Interstate Batteries purpose has been to deliver the most Outrageously Dependable source of power to the world. Our customers come first, so we strive to create a positive experience for all. We recycle more batteries than we sell; please return to an Interstate All Battery Center near you so we can continue recycling

Last update on 2025-04-11 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best group 31 marine battery?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for group 31 marine battery that you consider buying. Your questions might include the following:

Is it worth buying an group 31 marine battery?
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We’re convinced that you likely have far more questions than just these regarding group 31 marine battery, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for group 31 marine battery, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible group 31 marine battery. Make sure that you are only using trustworthy and credible websites and sources.

We provide an group 31 marine battery buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available group 31 marine battery currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of group 31 marine battery has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an group 31 marine battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your group 31 marine battery.
Customer Ratings: Number ratings grade group 31 marine battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their group 31 marine battery.
Product Quality: You don’t always get what you pay for with an group 31 marine battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an group 31 marine battery is should be an indication of how long it will work out for you.

We always remember that maintaining group 31 marine battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding group 31 marine battery is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

The Best group 31 marine battery of 2022 – Reviewed and Top Rated

How Do You Buy The Best group 31 marine battery?

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