10 Best Lithium Marine Battery for Trolling Motor Reviews

You’re out on the water, the sun is warm, and you’re ready to fish. But then your trolling motor starts to sputter, losing power just when you need it most. If you’ve been there, you know the frustration of a battery that can’t keep up. Switching to a lithium marine battery can change that—giving you more time on the water, less weight to haul, and power that lasts trip after trip.

In this guide, you’ll discover ten top-rated lithium marine batteries designed for trolling motors. We break down each model’s features, pros, cons, and best use cases so you can make a confident choice. Whether you need Bluetooth monitoring, low-temperature protection, or a lightweight drop-in replacement, there’s a perfect option here for you.

SUPER EMPOWER 12V 100Ah LiFePO4 Battery – Reliable Group 24 Power

The SUPER EMPOWER 12V 100Ah LiFePO4 battery is a solid choice if you want a straightforward, no-fuss upgrade from lead-acid. It’s a BCI Group 24 size, which means it fits into standard battery boxes without modifications—perfect for your RV, marine, or solar setup. Weighing just 21.6 pounds, it’s a fraction of the weight of comparable lead-acid batteries, making installation and handling much easier.

This battery uses Grade A+ cells and a built-in 100A BMS to protect against overcharge, over-discharge, and temperature extremes. It delivers up to 5000 cycles at 100% depth of discharge (DOD) and an impressive 15000 cycles at 60% DOD. If you’re using it for a trolling motor, you’ll appreciate the reliable deep-cycle performance. Just remember, charging is disabled below 32°F, so plan for cold-weather use.

View all product features

• 【Product Overview】Designed for deep cycle energy storage applications, SUPER EMPOWER LiFePO₄ batteries provide reliable power for RV, marine, trolling motor, and off-grid systems, featuring premium LiFePO₄ cells and an integrated BMS for protection against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes; ideal for auxiliary and house power needs in mobile and outdoor setups, ensuring stable and long-lasting performance. Designed for energy storage use only, this battery is not suitable for engine starting or cranking applications.
• 【Cycle Performance】The 12V 100Ah LiFePO₄ battery uses Grade A+ cells and supports long-cycle operation with high energy density. Designed for automotive replacement battery systems, RV electrical circuits, and marine power systems, it delivers approximately 5000 cycles at 100% DOD (6000 at 80%, 15000 at 60%). A built-in BMS helps manage charge, discharge, and temperature conditions for stable daily performance.
• 【Drop-in Replacement for Lead-Acid Batteries】 Dimensions: 6.49"D x 10.24"W x 8.98"H, Weight: 21.6 lbs. With a BCI Group 24 size and M8 terminals, it fits seamlessly into most standard battery boxes without modifications. The 12V 100Ah LiFePO4 lithium battery from SUPER EMPOWER is a true drop-in replacement for traditional lead-acid, AGM, or SLA batteries, making it ideal for RV, boat, or solar applications. Simply install and enjoy a longer-lasting, more efficient power source.
• 【3 Professional Charging Options】 Use a 12V LiFePO₄ charger (14.4–14.6V, CC/CV profile) for best results. Compatible with solar systems via MPPT/PWM controllers set to lithium mode. Generator charging is supported when paired with a lithium charger or DC-DC charger. Non-lithium chargers are not recommended. Charging is disabled below 32°F (0°C) by BMS protection.
• 【Low-Temperature Charging Function】Charging pauses automatically below 0°C (32°F) and discharge stops at –20°C (–4°F), resuming above 5°C (41°F). This function supports stable operation in cold-weather conditions for RV setups, 12V vehicle auxiliary power, marine applications, and off-grid systems operating in low temperatures.
• 【Expandable Energy Configuration】Supports up to 4 in series and 4 in parallel (Max 4S4P), forming a 51.2V 400Ah configuration with 20.48kWh capacity. Suitable for RV energy systems, automotive auxiliary power, marine power, and solar storage, with the integrated BMS managing cell balancing and multi-battery operation.
• 【5 Year Warranty】 SUPER EMPOWER LiFePO4 batteries come with a 5-year warranty! We also provide professional technical support and online customer service with fast support within 24 hours. If you have any product-related issues or questions, don't hesitate to get in touch with us directly, SUPER EMPOWER support team is always here for you.

---

Litime 12V 100Ah Trolling Motor Battery – ABYC-Certified Performance

The Litime 12V 100Ah battery is built with trolling motors in mind. It meets the ABYC E-13 standard, which means it’s tested for marine safety and durability. The built-in TVS diode protects your motor from voltage spikes, even in rough water. This battery is Group 31 size, weighing just 22.16 pounds—64% lighter than lead-acid options, giving your boat better handling and speed.

With smart low-temperature protection, it stops charging below 32°F and discharging below -4°F, preventing cold damage. The 100A BMS provides triple protection against dust, water, and salt spray, making it ideal for marine environments. You can use it for 12V to 36V motors, and it’s also great for RVs and home storage. If you want a battery that’s built for the rigors of boating, this is a top contender.

View all product features

• Meets ABYC E-13 Standard: Extra BMS triple protection (dust, water, salt spray) + safeguards against overcharge, overheat, short circuits, etc. 12V lithium marine battery ideal for 12V-36V motors.
• Smart Low-Temp Protection: Stops charging <32°F, stops discharging <-4°F. Prevents cold damage, safeguards the battery to extend lifespan.
• More Energy, Less Fuss: Just 22.16 lbs in standard Group 31 size—64% lighter than 12V 100Ah lead-acid batteries. Ltime 100ah lithium battery Lightens your boat for smoother, faster, more agile handling.
• Trolling Motor Ready: Built-in TVS shields 12V-36V motors from voltage spikes. Ensures stability in rough waters—100ah lifepo4 battery ideal for marine, RVs, home storage too.
• Expandable & Long-Lasting: Expand to 4P4S (51.2V 400Ah, 20.48kWh/kW); 4000+ 100% DOD cycles. Delivers reliable power for years, matching growing energy needs.
• 10 Years Lifetime: 12V 100Ah Trolling Motors battery lasts 10 years (4000+ cycles @100% DOD)—outperforming 12V 100Ah AGM batteries that only last 3 years (200-500 cycles).

---

Litime 12V 100Ah Bluetooth Battery (2-Pack) – Smart Marine Power

If you run two trolling motors or need extra capacity, the Litime 12V 100Ah 2-pack is a smart buy. Each battery features Bluetooth 5.0, so you can monitor voltage, current, and state of charge from your phone. The auto-connect feature means you can check your battery status without hassle, keeping your adventures powered smoothly.

With 20+ safety protections, including overcharge, short circuit, and low-temperature cut-offs, these batteries are built to last. They have an IP65 dust and water resistance rating, so they handle rain and saltwater spray. Each battery weighs just 22.2 pounds, making them easy to move and install. The 15000-cycle lifespan at 60% DOD means you’ll get years of reliable service.

View all product features

• Smart Bluetooth Monitoring: Auto-connects in seconds. Check battery status, control discharge, and run system checks right from your phone. Keep your adventures powered smoothly.
• Smart Low-Temp Protection: Stops charging below 32°F, stops discharging below -4°F. Prevents cold weather damage, keeps your battery safe and reliable.
• 20+ Safety Protections: Shields against overcharging, low temps, and short circuits—plus 30-second overload auto-recovery. IP65 dust/water resistance works reliably in rain, saltwater, and humidity.
• More Energy, Less Fuss: LiTime's newest trolling motor battery weighs just 22.2 lbs (standard Group 31 size). Lightens your boat for smoother, faster, and more agile handling.
• Double Range, 10-Year Life: 1280Wh energy—twice the range of lead-acid. 4000+ deep cycles with premium LiFePO4 cells. Safer, greener, built for the long run.
• Expandable to 20.48kWh: Scales up to 4P4S (51.2V 400Ah) for ample power. Fits RVs, home backup, and 30-70lb trolling motors, meeting your growing electricity needs effortlessly.​
• Note: LiTime LiFePO4 battery is for energy storage—not for starting batteries, golf carts, or jacks. Activate Bluetooth by charging with lithium-activation/MPPT charger (first use or after switching off).
• ​Shipping Notice: Your order may be divided into multiple packages due to size/volume restrictions, resulting in sequential arrivals rather than a single shipment.​
• Protection Upgrade: This LiTime product is covered by AIG Product Liability Insurance, effective from May 22, 2026.

---

Litime 12V 100Ah Bluetooth Battery (Single) – Smart Monitoring for One

This single Litime 12V 100Ah battery offers the same Bluetooth capabilities as the 2-pack but in a single unit. You can check battery status, control discharge, and run system checks from your phone. It’s ideal if you only need one battery for your trolling motor or want to add smart monitoring to your existing setup.

The battery includes 20+ safety protections, IP65 dust and water resistance, and low-temperature protection that stops charging below 32°F and discharging below -4°F. Weighing 22.2 pounds, it’s easy to handle and install. With up to 15000 cycles at 60% DOD, this battery is a long-term investment in reliable power for your boat, RV, or solar system.

View all product features

• Smart Bluetooth Monitoring: Auto-connects in seconds. Check battery status, control discharge, and run system checks right from your phone. Keep your adventures powered smoothly.
• Smart Low-Temp Protection: Stops charging below 32°F, stops discharging below -4°F. Prevents cold weather damage, keeps your battery safe and reliable.
• 20+ Safety Protections: Guards against overcharge, overheating, and shorts. Dustproof, IP65 waterproof, and salt-resistant. Built tough for harsh environments.
• More Energy, Less Fuss: LiTime's newest trolling motor battery weighs just 22.2 lbs (standard Group 31 size). Lightens your boat for smoother, faster, and more agile handling.
• Double Range, 10-Year Long Life: Equipped with 1280Wh energy capacity, delivering twice the range of traditional lead-acid batteries. Powered by premium LiFePO4 cells, it features exceptional cycle life: 4000 Deep Cycles @ 100% DOD, 6000 Deep Cycles @ 80% DOD, and a maximum of 15,000 Deep Cycles @ 60% DOD—safer, greener, and built to last for the long run.
• Expandable to 20.48kWh: Scales up to 4P4S (51.2V 400Ah) for ample power. Fits RVs, home backup, and 30-70lb trolling motors, meeting your growing electricity needs effortlessly.​
• Note: LiTime LiFePO4 battery is for energy storage—not for starting batteries, golf carts, or jacks. Activate Bluetooth by charging with lithium-activation/MPPT charger (first use or after switching off).
• Protection Upgrade: This LiTime product is covered by AIG Product Liability Insurance, effective from May 22, 2026.

---

LiTime 36V 100Ah OBM Battery – High-Voltage Power for Outboards

For electric outboard motors, the LiTime 36V 100Ah battery is a powerhouse. It’s officially ABYC-certified for outboard use and delivers a 500A surge current with 1.2C discharge capability. It’s fully compatible with leading brands like Torqeedo, ePropulsion, and Yamaha. This battery supports a 2S4P configuration, meaning you can combine up to four batteries for a massive 28,800Wh power bank.

The battery includes Bluetooth 5.0 for real-time monitoring, IP65 waterproofing, and advanced temperature protection from -20°C to 60°C. It comes with a 43.8V 25A charger, so you have everything you need to get started. With 4000 to 15000 cycles depending on DOD, this battery is designed for serious marine applications. If you run a high-voltage outboard, this is a top-tier choice.

View all product features

• Power Expert for Electric Outboard Motor: Officially ABYC-certified for outboard motors, delivering 500A surge current and 1.2C discharge capability with auto-recovery overload protection. Fully compatible with Torqeedo, ePropulsion, Yamaha and other leading brands.
• Smart Bluetooth Monitoring System: LiTime 36V 100Ah electric outboard motor battery features Bluetooth 5.0 for real-time battery status tracking. Requires initial activation charge using lithium/MPPT charger after first use or power-off.
• LiTime 36V 100Ah Electric Outboard Motor Battery provides 4000-15,000 cycles with IP65 waterproof rating and advanced temperature protection (-20℃ to 60℃ operation range).
• MAX.2S4P & Perfectly Engineered: LiTime 36V 100Ah Electric Outboard Motor Battery is the ultimate powerhouse designed to support a 2S4P battery system. This exceptional feature transforms it into a massive power bank for your electric outboard motor, delivering up to 28,800Wh of energy. Experience unparalleled performance and reliability on the water with the industry-leading 2S4P capability, is meticulously engineered, Supporting up to 72V electric outboard motors.
• BMS offers 20+ Protections: Engineered with self-developed BMS technology specifically tailored for outboard applications, LiTime upgraded BMS offers over 20 protections, including low-temp cut-off protection, auto-recovery after overload protection (30s), pre-charge Function, moisture and salt-spray resistance. Professional Quality & Innovation: As an official ABYC member, we continuous innovation and ensuring the highest product quality.
• 【Note】Please confirm the product dimensions before buying: 20.47*10.55*8.66 inch. Due to the battery being overweight, it will be delivered in a single package for better protection. If you receive only one package, please rest assured and wait patiently for all the packages to arrive.
• Protection Upgrade: This LiTime product is covered by AIG Product Liability Insurance, effective from May 22, 2026.

---

BUKNUWO 12.8V 100Ah Battery – Lightweight with 95% Utilization

The BUKNUWO 12.8V 100Ah battery stands out for its 95% capacity utilization rate, meaning you get almost all of its 1.28kWh energy. It weighs just 20.9 pounds—two-thirds lighter than lead-acid—and has a 10-year lifespan. The Grade A cells support up to 4000 cycles at 100% DOD, 6000 at 80%, and 15000 at 60%.

With a 100A BMS and durable ABS casing, it’s dustproof and weather-resistant, suitable for indoor and outdoor use. You can connect up to 4 in series or 4 in parallel for a 51.2V 400Ah system. It’s great for trolling motors, RVs, solar, and off-grid setups. The low-temperature protection ensures safe operation in cold conditions.

View all product features

• The Perfect Replacement for Lead-Acid Batteries – 95% Utilization Rate: The BUKNUWO 12.8V 100Ah LiFePO4 lithium battery weighs only 20.9 pounds, which is 2/3 lighter than comparable lead-acid batteries. It has an energy capacity of 1.28kWh, a 40% increase in energy density, and a battery life of up to 10 years. The LiFePO4 lithium battery boasts a capacity utilization rate of up to 95%, while lead-acid batteries only achieve 50%.
• 100A BMS Management System and Grade A Cells: The integrated 100A Battery Management System (BMS) provides comprehensive protection against overcharging, over-discharging, short circuits, overheating, and overcurrent. It features automatic high/low temperature cut-off to ensure safe charging/discharging (Discharge: -20°C to 60°C / -4°F to 140°F; Optimal Charging: 0°C to 45°C / 32°F to 113°F). The BUKNUWO 12.8V 100Ah LiFePO4 lithium battery is equipped with top-grade lithium iron phosphate battery cells, supporting up to 4000 cycles at 100% DOD, 6000 cycles at 80% DOD, and 15000 cycles at 60% DOD.
• Expandable Series/Parallel Connection: The BUKNUWO 12.8V 100Ah LiFePO4 lithium battery allows for easy upgrades to clean energy without additional wiring. It supports series and parallel connections (up to 4S4P), enabling the construction of a 51.2V 400Ah system for home energy storage, UPS systems, camping, solar systems, RVs, marine power, etc.
• Previous State&Durable ABS Casing: The BUKNUWO 12.8V 100Ah LiFePO4 lithium iron phosphate battery features an ABS plastic casing, offering dustproof, weather-resistant, and light waterproof protection. This robust and durable design makes it suitable for both indoor and outdoor installations, ensuring reliable operation even in harsh conditions. Note: Voltage and current may have a 1%~5% deviation under different temperature/humidity measurement methods and instruments. It is recommended to charge and discharge the battery every six months to prevent damage from prolonged inactivity.
• Versatile for All Scenarios&User Experience First: The BUKNUWO 12.8V 100Ah LiFePO4 lithium iron phosphate battery is perfect for a wide range of applications, whether powering RV appliances, solar energy storage, uninterruptible power supplies, or camping equipment and fish finders. It boasts an ultra-low monthly self-discharge rate (<5%), ensuring worry-free long-term storage. Completely maintenance-free, it's always ready for your next adventure, giving you peace of mind after purchase.
• 5 Years of Peace of Mind for 10+ Years of Performance：BUKNUWO LiFePO4 batteries are engineered to last. With a robust design and advanced chemistry, they are built to reliably power your adventures and home for over 10 years. To prove our confidence, we back this long-term performance with a comprehensive 5-Year Warranty. This isn‘t just a product; it’s a decade-long partnership in reliable energy.

---

DC HOUSE 12V 100Ah Group 24 – Bluetooth and Low-Temp Protection

The DC HOUSE 12V 100Ah battery offers Bluetooth monitoring and low-temperature cut-off in a compact Group 24 size. It’s only about 0.32 inches taller than standard Group 24, so it fits most battery boxes. The Bluetooth app lets you monitor SOC, voltage, and current, with data accurate to individual cells. It even has a fault display page to help troubleshoot issues.

With low-temperature protection, charging cuts off below 19.4°F and discharging below -4°F, automatically recovering at 32°F. The battery uses Class A LiFePO4 cells, UL/UN38.3 certified, and supports up to 15000 cycles. It can be expanded to 4 in series or 4 in parallel (max 8 batteries total). Perfect for trolling motors, fish finders, ice fishing, and solar systems.

View all product features

• Low Temp Cut-Off: DC HOUSE 12V 100ah lifepo4 battery has upgraded Low Temperature Protection. When the temperature sensor of 100Ah lifepo4 detects that the temperature is below 19.4℉, the BMS will cut off the charging function, cut off the discharge when it is below -4℉, and automatically recover after the temperature rises to 32℉. 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 with dimensions close to the BCI Group 24 size (about 0.32 inches taller than the standard Group 24 specification), offering a compact and versatile design. Perfect for RVs, boats, trolling motors, fish finders, ice fishing, camping, solar systems, and home alarm systems. Please use a dedicated lithium battery charger. Supports battery expansion up to 4 in series or 4 in parallel, with a maximum of 8 batteries in total; 4P4S are not allowed.
• Kind Note: This battery is not designed for use as a starting or cranking battery. DC HOUSE is committed to providing 3 years of service for every battery sold. If you need assistance with battery connection, charging, or discharging, please contact us through Amazon or the after-sales address in the manual, and we will offer professional and comprehensive support.

---

DC HOUSE 12V 100Ah 3.0 – Built-in Ports and SOC Indicators

The DC HOUSE 12V 100Ah 3.0 is the most versatile battery in this list, thanks to its built-in USB-A, USB-C, and DC ports. You can charge your phone, camera, fan, or laptop directly from the battery—no extra adapter needed. The SOC status indicators give you a clear visual of remaining power, high/low temperature, and fault conditions.

It also includes Bluetooth monitoring via the DC HOUSE app, with data accurate to individual cells. Low-temperature cut-off protects the battery in cold conditions, with charging disabled below 19.4°F and discharging below -4°F. The 100A BMS ensures safe operation. This battery is perfect for trolling motors, camping, and RVs where you need to power both your motor and your devices.

View all product features

• SOC Status Indicators: Upgraded 3.0 12V 100Ah trolling motor battery has a visual LED indicator, which is very simple and clear real-time to monitor the SOC battery remaining power, high temperature, low temperature, short circuit, overvoltage, low voltage and BMS fault indication and charging indication. Ideal for a variety of applications, such as trolling, camping, RVs, and more.
• Multi Port Adapter: DC HOUSE 100AH battery with 1*USB-A & 1*USB-C & 1*DC PORT that can charge 3 devices at the same time, which can greatly meet different charging needs.Perfect for families and outdoor travelers, it can charge smartphones, smart watches, cameran, fan and computer
• 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.
• Low Temp Cut-Off: DC HOUSE 128V 100ah lifepo4 battery has upgraded Low Temperature Cut-Off Protection. When the temperature sensor of 100Ah lifepo4 detects that the temperature is below 19.4℉, the BMS will cut off the charging function, cut off the discharge when it is below 4℉, and automatically recover after the temperature rises to 32℉. Effectively protect the 12.8V 100Ah battery and extend the battery life.
• Safer Metal Fixtures: The internal battery cells of 100AH lithium batteries are fixed by metal clamps. Compared with other simple methods of fixing battery cells, the metal clamps can better stabilize the battery cells and ensure safety under various circumstances. In addition, when paired with A-grade battery cells, it can effectively extend the battery life by 30%.Up to 15,000 cycles and a service life of 10 years
• Automatic BMS: The built-in Battery Management System (BMS) protects your battery from overcharge and Discharge, Current, and Short Short-circuiting, for increased performance and longer life. The BMS will automatically cut off the battery and the voltage will drop below 1V
• 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

---

SUPER EMPOWER 12V 100Ah Group 31 – Long Cycle Life

The SUPER EMPOWER 12V 100Ah Group 31 battery is designed for deep-cycle applications like RVs, marine, and solar. It uses Grade A+ cells and a 100A smart BMS for cell balancing and temperature protection. With up to 5000 cycles at 100% DOD and 15000 at 60%, it’s built for longevity.

Weighing just over 21 pounds, it’s a lightweight replacement for lead-acid. It supports three charging options: LiFePO4 charger, solar with MPPT/PWM controller, or generator with DC-DC charger. Charging is disabled below 32°F, so it’s best for moderate climates. If you want a reliable Group 31 battery without extra features, this is a solid choice.

View all product features

• 【Product Overview】Designed for deep cycle energy storage applications, SUPER EMPOWER LiFePO₄ batteries provide reliable power for RV, marine, trolling motor, and off-grid systems, featuring premium LiFePO₄ cells and an integrated BMS for protection against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes; ideal for auxiliary and house power needs in mobile and outdoor setups, ensuring stable and long-lasting performance. Designed for energy storage use only, this battery is not suitable for engine starting or cranking applications.
• 【Long Cycle Life with Proven Cell Quality】Using Grade A+ LiFePO4 cells, this 12V 100Ah deep cycle lithium battery delivers high energy density and consistent performance over time. It supports approximately 5000 cycles at 100% DOD, 6000 cycles at 80% DOD, and up to 15000 cycles at 60% DOD, making it a long-term, dependable power solution for RV, marine, solar, and power station applications.
• 【3 Professional Charging Options】 Use a 12V LiFePO₄ charger (14.4–14.6V, CC/CV profile) for best results. Compatible with solar systems via MPPT/PWM controllers set to lithium mode. Generator charging is supported when paired with a lithium charger or DC-DC charger. Non-lithium chargers are not recommended. Charging is disabled below 32°F (0°C) by BMS protection.
• 【Built-in Smart BMS for Safer, More Stable Use】An integrated 100A smart BMS manages charging, discharging, cell balancing, and temperature protection. Designed for real-world daily use in RV electrical systems, marine batteries, trolling motor setups, and solar battery banks, the BMS helps reduce unexpected shutdowns and protects the battery under abnormal operating conditions.
• 【True Group 31 Drop-In Replacement – Easy Installation】With a BCI Group 31 size (6.77"D x 13.18"W x 9.05"H) and M8 terminals, this lithium battery fits most standard battery boxes without modification. Weighing only 20.94 lbs, it is a true drop-in replacement for lead-acid, AGM, or SLA batteries—ideal for RV, boat, marine, and solar battery upgrades where easy installation and compatibility matter.
• 【Cold-Weather Protection & Expandable System】Charging automatically pauses below 0°C (32°F) and discharge stops at –20°C (–4°F), resuming safely as temperatures rise—supporting stable operation in cold environments. Supports up to 4S4P expansion for larger RV, solar, and off-grid power systems. Backed by a 5-year warranty and responsive customer support, providing peace of mind beyond the battery itself.
• 【5 Year Warranty】 SUPER EMPOWER LiFePO4 batteries come with a 5-year warranty! We also provide professional technical support and online customer service with fast support within 24 hours. If you have any product-related issues or questions, don't hesitate to get in touch with us directly, SUPER EMPOWER support team is always here for you.

---

Newport 12V50Ah AGM Marine Battery – Lightweight Lead-Acid Option

If you’re not ready to switch to lithium, the Newport 12V50Ah AGM battery is a solid lead-acid alternative. It weighs just 32 pounds, which is lighter than many traditional AGM batteries, making it easier to transport and install. The sealed, leak-proof construction gives you peace of mind on the water.

This battery is specifically designed for trolling motors, with a 12V output and 50Ah capacity. It’s a deep-cycle battery, so it can handle repeated discharges and recharges. While it doesn’t have the cycle life or weight savings of lithium, it’s a budget-friendly option for smaller boats or as a backup. Just note that it’s only 50Ah, so you’ll get less runtime than a 100Ah lithium battery.

View all product features

• 32lbs – The lightweight design of the Newport deep Deep cycle battery makes it easy to transport and install in your marine vessel. Enjoy powerful and reliable performance without adding unnecessary weight to your boat.
• Sealed AGM Lead Acid – Trust in the durability and reliability of this heavy-duty marine battery. Designed with advanced technology, it provides superior power and performance, making it an ideal choice for all your boating needs. Get peace of mind with its sealed, leak-proof construction.
• Trolling Motor Compatible – Power up your boating adventures with our 12V marine battery, specifically designed to work seamlessly with trolling motors. Enjoy long-lasting and reliable performance on the water.
• 12V50Ah – This deep cycle battery is built to deliver reliable, long-lasting power for marine use. With a 12-volt output and 50Ah capacity, it is a perfect choice for powering your boat's electrical systems. Trust in its durability and performance for all your marine adventures.
• 50Ah battery – A powerful rechargeable battery with a capacity of 50 amp hours, perfect for heavy-duty marine use. Experience long-lasting performance and reliability with this deep cycle battery.

---

Buyer’s Guide: What to Consider

Choosing the right lithium marine battery for your trolling motor can feel overwhelming with so many options. To help you decide, here are key factors to consider. Each point will guide you toward a battery that fits your specific needs, whether you prioritize runtime, weight, or smart features.

• Capacity (Ah): The amp-hour rating determines how long your battery will run. For trolling motors, 100Ah is a common sweet spot, offering several hours of use. If you have a small boat or short trips, a 50Ah might suffice, but for all-day fishing, go with 100Ah or more.
• Voltage Compatibility: Most trolling motors run on 12V, but some high-performance models use 24V or 36V. Check your motor's voltage requirements and choose a battery that matches. Some batteries can be wired in series to achieve higher voltages.
• Weight and Size: Lithium batteries are significantly lighter than lead-acid—often 60-70% less. A lighter battery improves your boat's handling and speed. Also, ensure the physical dimensions fit your battery tray. Group 24 and Group 31 are common sizes.
• BMS and Safety Features: A built-in Battery Management System (BMS) protects against overcharge, over-discharge, short circuits, and temperature extremes. Look for low-temperature cut-off if you boat in cold climates. Some batteries offer Bluetooth monitoring for real-time status.
• Cycle Life and Warranty: Lithium batteries can last 4000 to 15000 cycles, depending on depth of discharge. A longer cycle life means better value over time. Check the warranty—many offer 5 to 10 years. Lead-acid batteries typically last only 200-500 cycles.
• Charging Options: Lithium batteries require a specific LiFePO4 charger for best performance. Some are compatible with solar MPPT controllers or generators. Avoid using old lead-acid chargers, as they may not have the correct voltage profile. Some batteries come with a charger included.

Conclusion

Upgrading to a lithium marine battery is one of the best investments you can make for your trolling motor. You’ll enjoy longer runtimes, lighter weight, and a much longer lifespan compared to lead-acid. Whether you choose a Bluetooth-enabled model for monitoring or a simple drop-in replacement, each battery on this list offers excellent performance.

For most boaters, the Litime 12V 100Ah with Bluetooth (single or pack) strikes a great balance of features and value. If you need high voltage for an outboard, the LiTime 36V 100Ah is unbeatable. And if you’re on a budget, the Newport AGM is a reliable entry point. Think about your motor’s voltage, your typical usage, and whether you want smart features—then pick the battery that fits your adventure.