10 Best 36 Volt Lithium Trolling Motor Battery Reviews

You’re out on the water, the sun is warm, and the fish are biting. But halfway through the day, your trolling motor starts to drag—your old lead-acid battery is giving out. You know you need an upgrade, but with so many 36-volt lithium batteries on the market, how do you choose the right one? The good news is that switching to a modern LiFePO4 battery can transform your fishing experience: longer run times, faster charging, and a fraction of the weight.

In this guide, we’ve rounded up and reviewed the ten best 36-volt lithium trolling motor batteries available today. Whether you’re powering a heavy bass boat, a kayak, or a small yacht, you’ll find detailed comparisons, real-world pros and cons, and a handy buying guide to help you make a confident decision. Let’s dive in.

LOSSIGY 36V Lithium Golf Cart Battery Conversion Kit – Built-in 200A Bluetooth BMS

If you’re looking for a complete drop-in replacement for your older 36V golf cart battery that also works great for trolling motors, this LOSSIGY conversion kit is a serious contender. The standout feature here is the built-in 200A smart BMS that can handle a peak current of 1000A for 3-5 seconds, meaning it won’t flinch when your motor demands a sudden surge of power to push through weeds or heavy current. The Grade A cells provide higher energy density and more stable performance compared to standard lithium cells, so you get consistent power delivery all day long.

Installation is genuinely easy—this battery is self-contained and about 50% lighter than an equivalent lead-acid setup, so you can handle it without straining your back. The built-in Bluetooth lets you monitor voltage, temperature, and charge status right from your phone. With a 10-year lifespan and over 4000 cycles, this battery is built to last. Just note that it’s designed primarily for golf carts, but it works perfectly for trolling motors as long as you have the space for its size.

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• Grade A Cells: LOSSIGY 36 Volt lifepo4 lithium golf cart batteries are manufactured of auto grade-A cells with higher energy density, more stable performance&greater power.
• Last for 10 Year:LOSSIGY battery provides at least 4000 cycles. The built-in BMS effectively protects the electric core from damage caused by high temperature, low temperature, short circuit, over-current and overload.
• Easy to install: LOSSIGY 36V 100AH lifepo4 battery is easier to install and move compared to traditional series lead-acid batteries. It is self-contained and perfectly suitable for golf carts with a 36V system.
• Amazing Peak Current: LOSSIGY has broken through the limit of three times the peak current of BMS, allowing the built-in 200A smart BMS to reach an astonishing peak current of 1000A (3-5s), almost meeting the controller requirements of all golf carts.
• LOSSIGY's Commitment: LOSSIGY provides every customer with 90 days of worry free after-sales service and 24-hour online professional technical support. Regardless of any issues you may have, we promise to provide the fastest possible solution

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LOSSIGY 36V 100Ah LiFePO4 Battery with 25A Charger – Complete Kit

This LOSSIGY kit comes with everything you need: a 36V 100Ah LiFePO4 battery, a 43.8V 25A smart charger, and a 9-in-1 battery monitor. The battery itself features Class A LiFePO4 cells, a built-in 200A BMS with a 1000A peak current, and an IP65 waterproof rating, making it suitable for marine environments. The 25A charger can fill the battery from empty to full in about 4 hours, which is significantly faster than standard lead-acid chargers.

One of the key benefits for trolling motor users is the deep-cycle capability: over 4000 cycles at 80% depth of discharge, so you can expect a decade or more of reliable service. The battery also supports parallel connections (up to 4) to increase capacity, but not series—so keep that in mind if you’re planning a 72V system. The included monitor shows you voltage, current, and remaining capacity at a glance, which is a nice touch for those who prefer a physical display over a phone app.

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• 【ULTRA HIGH PERFORMANCE – CLASS A BATTERY】: LOSSIGY 36V100AH Lithium Battery Golf Cart is made of class A chip, equipped with 43.8V25A smart charger, 9 in1 battery monitor, built-in 200A BMS, 3840W Powerful, 1000A peak current. IP65 waterproof. Preferred item for golf cars, trolling motors.
• 【DEEP CYCLE BATTERY】: Compared with 300~500 cycles of lead-acid batteries, LOSSIGY batteries can provide at least 4,000 cycles.The size of 36V100AH battery is: 20.47*10.59*8.66INCH, weighs 66.9LB, it is 50% lighter than lead-acid batteries with the same capacity.
• 【AMAZING BMS SYSTEM】: LOSSIGY 38.4V100AH battery is a Battery Management System (BMS) which consists of high end chips that can realize automatic balancing inside the battery. The built-in BMS can effectively protect the cells from damage caused by overcharging, overdischarging, overcurrent, short circuit and high/low temperature. This battery only supports parallel connection to form a larger capacity. It is recommended to connect up to 4 batteries in parallel. They cannot be connected in series.
• 【RAPID INTELLIGENT CHARGER】: The 43.8V25A charger supports fast charging, only 4 hours to complete 0% to 100% charging. Detachable input and output cables make charging easier and more flexible.
• 【REAL-TIME MONITORING OF YOUR BATTERY】: The LOSSIGY battery has a built-in Bluetooth chip, after successfully connecting to Bluetooth, you can view all the battery data on your cell phone at any time. We also come with a touch screen monitor that displays real-time battery information as you drive your golf cart. To avoid the trouble caused by low battery.
• 【QUALITY AFTER-SALES SERVICE】: LOSSIGY provides every customer with 5 years warranty and 24 hours online professional technical support. Thank you for your support to LOSSIGY. Good luck with you.

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LiTime 36V 100Ah OBM Bluetooth Low-Temp Protection Battery – ABYC Certified

LiTime has built a reputation for reliability, and this 36V 100Ah battery is officially ABYC-certified for outboard motors, which means it meets strict marine safety standards. It delivers a 500A surge current and 1.2C discharge capability, with auto-recovery overload protection, so it’s fully compatible with popular electric outboard brands like Torqeedo, ePropulsion, and Yamaha. The Bluetooth 5.0 system lets you monitor battery status in real time, though you’ll need to give it an initial activation charge using a lithium or MPPT charger after first use or power-off.

This battery offers an impressive 4000-15,000 cycles, depending on usage, and an IP65 waterproof rating. It also features advanced temperature protection, operating from -20°C to 60°C. One unique highlight is the ability to support a 2S4P battery system, meaning you can connect two in series for 72V and four in parallel for massive capacity—up to 28,800Wh. This makes it a future-proof choice if you ever plan to upgrade to a higher-voltage trolling motor or expand your energy storage.

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• 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.

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LOSSIGY 36V Lithium Golf Cart Battery Conversion Kit – Bluetooth BMS Version

This is essentially the same core battery as the first LOSSIGY kit (B0FZ9TTYSN), but listed as a separate product with slight variations in packaging. It features Grade A LiFePO4 cells, a 200A smart BMS that peaks at 1000A for 3-5 seconds, and Bluetooth connectivity for monitoring. The battery is designed for easy installation in golf carts but also works well for trolling motors, provided you have the space. It’s self-contained, lighter than lead-acid, and offers a 10-year lifespan with over 4000 cycles.

Where this version differs is in the included accessories—it may come with a different wiring harness or mounting brackets. The peak current capability is truly impressive; most BMS units limit to 3x continuous, but LOSSIGY’s engineering allows 5x peak, which is rare at this price point. If you need a battery that can handle sudden high-draw events without tripping, this is a solid option. The Bluetooth app is intuitive and shows you cell voltages, temperature, and remaining capacity.

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• Grade A Cells: LOSSIGY 36 Volt lifepo4 lithium golf cart batteries are manufactured of auto grade-A cells with higher energy density, more stable performance&greater power.
• Last for 10 Year:LOSSIGY battery provides at least 4000 cycles. The built-in BMS effectively protects the electric core from damage caused by high temperature, low temperature, short circuit, over-current and overload.
• Easy to install: LOSSIGY 36V 100AH lifepo4 battery is easier to install and move compared to traditional series lead-acid batteries. It is self-contained and perfectly suitable for golf carts with a 36V system.
• Amazing Peak Current: LOSSIGY has broken through the limit of three times the peak current of BMS, allowing the built-in 200A smart BMS to reach an astonishing peak current of 1000A (3-5s), almost meeting the controller requirements of all golf carts.
• LOSSIGY's Commitment: LOSSIGY provides every customer with 90 days of worry free after-sales service and 24-hour online professional technical support. Regardless of any issues you may have, we promise to provide the fastest possible solution

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Ionic Lithium 36V 50Ah LiFePO4 Battery – No Bluetooth, Simple and Reliable

If you prefer a straightforward, no-fuss battery without the complexity of smartphone apps, the Ionic Lithium 36V 50Ah is a great choice. It skips Bluetooth entirely and instead relies on a robust intelligent BMS that handles power terminal cut-off, recovery, cold weather protection, cell balancing, and low-voltage/over-voltage protection. That means you get reliable, hassle-free operation without having to monitor anything. The battery is 70% lighter than a comparable lead-acid battery, weighing in at just over 30 pounds, and its compact size makes it easy to fit into tight spaces.

With 3000-5000 cycles, this LiFePO4 battery offers 2-4 times the service life of lead-acid, and it charges five times faster. It’s versatile enough for trolling motors, RVs, floor sweepers, and solar energy storage. You can connect up to four in series (for 144V) and unlimited in parallel, giving you flexibility for larger systems. The 3-year warranty adds peace of mind. However, the lack of Bluetooth means you’ll need to check voltage manually with a multimeter or a battery monitor.

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• ADVANCED FEATURES: Intelligent Battery Management System (BMS) with power terminal cut-off & recovery, built-in cold weather protection, cell balancing, and low voltage/over voltage protection—no Bluetooth required for reliable, hassle-free operation.
• LIGHTWEIGHT & COMPACT: 70% lighter and more compact than gel or typical traditional lead-acid batteries.
• ENHANCED PERFORMANCE AND LONGEVITY: the Ionic Lithium 36V 50Ah LiFePO4 Deep Cycle Battery will keep you in your use case for longer. LiFePO4 batteries have 2-4 times the service life (3000-5000 cycles), 2 times the power, and 5 times faster charging than traditional batteries. This 36V 50Ah lithium battery is protected by a 3-year manufacturer's warranty
• VERSITILE APPLICATIONS: Ideal for trolling motors, RVs, floor sweepers, lift gates, UPS systems, solar panels/solar energy storage, and more. Connect up to four in series and unlimited in parallel.
• USER-FRIENDLY & COMPATIBLE: Zero maintenance, plug & play ready, and compatible with Ionic, Noco Gen Pro, Dual Pro PS/Auto, Minn Kota Precision, Pro Mariner/Pro Tournament Elite, Stealth, Troll Bridge DC, and Power Pole chargers.

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LiTime 36V 50Ah Lithium Trolling Motor Battery with Bluetooth 5.0 – High Energy Density

LiTime’s 36V 50Ah battery is specifically designed with trolling motors in mind, and it shows. It’s a member of ABYC and ASA, so you know it meets industry standards for marine use. The standout feature is its energy density: 57.93 Wh/lb, which is about 10.85% higher than a typical 12V 100Ah TM battery. That means you get more power in a lighter package—just 33.14 pounds for 1920Wh of energy. The built-in 50A BMS protects against harsh conditions like high humidity and salt spray, and it includes low-temperature charging protection.

Bluetooth 5.0 integration lets you monitor voltage, temperature, and state of charge from your phone. The battery can support up to 120lb thrust trolling motors, and it’s expandable to 7.68kWh by connecting multiple units in parallel (though not series). With 14,000+ cycles, this is one of the longest-lasting batteries on this list. The only downside is that the 50A continuous discharge may be limiting for larger motors that draw more than 50A continuously, though the peak capability is higher.

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• Born for Trolling Motor: As a proud member of both the ABYC (American Boat & Yacht Council) and ASA (American Sportfishing Association), LiTime surpasses industry standards with a relentless commitment to innovation. Crafted with premium Automotive-Grade cells, this battery boasts exceptional quality and reliability.
• Bluetooth 5.0 Integration: Monitor Your 36v lithium battery status with Bluetooth 5.0, experience the ultimate convenience with the LiTime battery. 36V 50Ah Battery is suitable for energy storage and not for starting. Suitable for trolling motors up to 120lb thrust.
• Safety Protection and Expansion up to 7.68kWh: Its integrated 50A BMS safeguards against harsh environments like high humidity and salt spray, while offering comprehensive protections against low/high temperatures, short circuit, over-voltage, under-voltage, and over-current.
• Unparalleled Energy Density: The LiTime 36V Trolling Motor Battery stands out with its remarkable energy density, outperforming similar LiFePO4 batteries on the market. With an energy density of 57.93 Wh/lb (calculated as 1920Wh/33.14 lb = 57.93Wh/lb), it surpasses the 52.26 Wh/lb of a typical 12V 100Ah TM battery, marking a 10.85% increase in energy density. Ideal for Marine, Trolling Motors, Boats, Home Energy Storage, Solar Power Backup, Off-Grid Solar Systems, and more.
• Fast Charging with LiTime 43.8V 15A Charger: Includes a dedicated LiTime 43.8V 15A Lithium Battery Charger with IP65 waterproofing, LED status monitoring, and full protection for safe, efficient charging.

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Power Queen 36V 50Ah Trolling Motor Battery with Bluetooth 5.0 – Group 31 Size

Power Queen’s 36V 50Ah battery fits the standard Group 31 footprint, making it a direct replacement for many lead-acid batteries in boats and RVs. It comes with a 43.8V 25A waterproof charger, which can fully recharge the battery in about 2 hours. The Bluetooth 5.0 app gives you real-time voltage, current, and cycle count data. The battery delivers 1920Wh of energy with a continuous 50A discharge and a peak of 60A for 30 minutes, sufficient for most 36V trolling motors up to 120lb thrust.

One of the best features is the advanced BMS with low-temperature charging protection (charges below 0°C are blocked, resumes above 5°C). The IP65 waterproof and dustproof ABS housing is rugged enough for marine environments. With over 4000 cycles at 100% DOD, this battery will last for years. The included charger is a nice bonus, though some users report that the app connectivity can be a bit finicky at times. Overall, it’s a well-rounded package for the price.

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• 【Smart Bluetooth 5.0 Connectivity】 Effortlessly monitor and manage your Power Queen 36V50Ah LiFePO4 battery with advanced Bluetooth 5.0 technology. Get real-time updates on your battery’s status directly on your smartphone, ensuring you always have accurate, up-to-date information at your fingertips
• 【Impressive Power & Longevity】 With a 1920Wh energy capacity, this 36V 50Ah LiFePO4 battery delivers robust power for 36V systems, supporting a max continuous discharge current of 50A and a peak of 60A for 30 minutes. Designed to last over 4000 cycles @100% DOD, it’s perfect for high-thrust trolling motors and demanding applications, far outperforming traditional lead-acid batteries
• 【Rugged & Compact Design】 Encased in durable ABS housing with an IP65 waterproof dustproff, the Power Queen Bluetooth 36V 50Ah trolling motors battery is lightweight yet resilient against water and dust. Its compact dimensions (L13 x W6.77 x H8.5 inches) meticulously crafted to meet BCI standards for Group 31 batteries, make it ideal for marine environments, RVs, and off-grid solar setups, fitting seamlessly into tight spaces
• 【Advanced Safety & Low-Temp Protection】 Featuring an upgraded BMS, this Bluetooth 36V 50Ah lithium battery offers full protection against overcharge, over-discharge, short-circuit, and more. The low-temperature charging protection halts charging below 0°C and resumes above 5°C, ensuring safe operation in extreme conditions
• 【Cost-Effective 36V Power Solution】 Optimize your power setup with a 36V system that reduces wiring costs and space by minimizing amperage. The Power Queen battery’s efficiency is perfect for installations with long wire runs, making it a practical and economical choice for diverse energy needs
• 【Expandable & Versatile Application】 Tailored for various scenarios, from marine use to off-grid living, this LiFePO4 Bluetooth battery supports up to 4 units in parallel for a 36V 200Ah system, expanding your storage capacity to 7.68kWh. Whether for trolling motors, boats, or solar energy, enjoy reliable, consistent power across all your adventures
• 【Fast, All-Weather Charging Included】Comes with a dedicated Power Queen 36V 25A IP65 waterproof dustproof LiFePO4 battery charger, enabling rapid, safe efficient charging in any environment

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OGRPHY 36V 105Ah Lithium Golf Cart Battery – Touch Monitor & Mobile App

OGRPHY’s 36V 105Ah battery is a beast, designed primarily for golf carts but equally capable for trolling motors. It comes with a touch monitor and a mobile app, giving you two ways to keep an eye on your battery. The built-in 200A BMS can handle a peak current of 1000A for 3-5 seconds (600A for 30 seconds, 300A for 32 seconds), so it’s one of the most robust BMS units on the market. With 4.03kWh of capacity, this battery can run a 3kW golf cart motor for 30-50 miles, or power a high-thrust trolling motor for hours.

The battery uses Grade A prismatic LiFePO4 cells that are UL certified, ensuring safety and durability. It provides over 4000 deep cycles at 80% DOD, far exceeding lead-acid. The touch monitor shows voltage, current, temperature, and remaining capacity, while the app adds Bluetooth connectivity. The only real downside is the size and weight—at over 70 pounds, it’s heavy, but still lighter than an equivalent lead-acid bank. It’s also pricey, but you get a lot of power and features.

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• Born for 36V Golf Cart: Special designed for 36v golf cart industry, OGRPHY 36v lithium golf cart battery is compatible with golf cart controllers of all major brands on the market. Built in premium grade A prismatic LiFePO4 cells(UL certified), this 36v battery has better durability & safety. Over 4kWh capacity equals 6pcs 12V 100AH lead acid batteries. Max output 7.68kW continuous power & peak 38.4kW power (50% more powerful than standard lithium batteries) to conquer hills/rough terrain effortlessly.
• Industry-Leading 200A BMS & Multiple Protection: The 200A BMS built in this LiFePO4 battery is of the top on the market. Beyond the standard protection features(over charge/discharge, over current, high/low temperatures, and short circuiting protection), it can handle a peak current up to 1000A(38.4kWh) for 3-5s (600A for 30s, 300A for 32s, 200A forever till the last drop of power). This golf cart battery need no maintance with this BMS.
• 30-50 Miles Range for 3KW Golf Motor: The electric capacity of OGRHY 36V 105AH LiFePO4 battery is 4.03kWh. OGRPHY 36V 105AH lithium battery was able to run a golf cart with 3kw motor for 30-50 miles under tests. Say goodbye to range anxiety, OGRPHY 36V 105AH golf cart battery will bring you back after the full eighteen holes.
• 4000+ deep cycles & 80% DOD: OGRPHY 36V 105Ah LiFePO4 battery provides more than 4000 deep cycles compared to traditional lead-acid batteries only about 300-600 cycles, which extends the battery lifespan more than 10 times. 4000+ deep cycles using life and 80% depth of discharge are also better than many LiFePO4 battery of other brands. Please read the product manual carefully before you use OGRPHY 36V lithium battery.
• Upgraded Smaller Size & Easy Installation: As the first manufacturer to introduce lithium battery for golf cart in this market, OGRPHY has accumulated substantial experience and advice from our customers. Thus we have optimized the battery structure and launched a next-generation golf cart battery that leads the market. Its more compact size enables compatibility with a wider range of golf cart models. The new size model is: 15.7L x 11.6W x 8.66H inch.
• LCD Touch Monitor & Mobile APP: OGRPHY 36V golf cart battery can be monitored by a touch Monitor arrive with the battery and also you can monitor the status of the battery on your cell phone with an APP. See all the parameters of the battery anytime directly. And can find and fix the problem of the battery quickly once it stops working.
• For Trolling Motor: This 36V 105Ah battery is also suitable for trolling motors. Recommended: 36V 105Ah battery for 101-112lbs/ up to 120A thrust trolling motor.
• 7×24 hours Customer Service: OGRPHY provides technical support and online customer service with fast feedback within 24 hours. If you have any product-related issues or questions, please get in touch with us directly, OGRPHY support team is always here for you. Besides,OGRPHY offers 5 years warranty for all of our batteries. OGRPHY will offer prepaid shipping labels if the battery needs to be sent back because of quality probelm. So please contact OGRPHY customer service at once if you have problem with our products.

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Evopow 36V 100Ah Lithium Trolling Motor Battery – Steel Case, 300A Peak for 60 Seconds

Evopow sets itself apart with a heavy-duty steel case that offers superior heat dissipation, impact resistance, and fire protection. Unlike plastic-housed batteries, this one is built to survive the vibrations of a boat or golf cart. It uses premium 102Ah LiFePO4 cells (so you get a bit more than the advertised 100Ah), and the 100A BMS is rated for 300A peak for a full 60 seconds—not just the typical 3-5 seconds. That sustained peak power is a game-changer for climbing steep hills or fighting strong currents.

The battery also features Bluetooth connectivity via a free app, where you can monitor each cell’s voltage, temperature, state of charge, and cycle count from up to 20 meters away. The BMS offers over 20 protections, including low-temperature cut-off, pre-charge function, and moisture/salt-spray resistance. The included 25A charger can fill the battery in about 4 hours. The steel case adds a bit of weight (about 70 lbs), but the durability more than makes up for it. One minor con: the app interface is functional but not the most polished.

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• STEEL CASE –SOLID AND DURABLE Forget fragile plastic housings. Our heavy-duty steel case provides superior heat dissipation, impact resistance, and fire protection. Whether it’s mounted on a bouncing golf cart, stored in a hot RV compartment, or exposed to vibrations on a boat, this battery is built to last years longer than plastic-shell competitors.
• TRUE 102Ah CAPACITY – MORE THAN THE “100Ah” CLAIM Unlike other 36V batteries that barely meet the 100Ah mark, we use premium 102Ah LiFePO4 cells. That means extra runtime, more usable energy, and better long-term durability. No inflated specs – just real, honest capacity that powers your golf cart or RV longer.
• 300A PEAK FOR 60 SECONDS – REAL OVERLOAD POWER Most batteries give you 500A for only 5 seconds – useless for real-world demands. Ours delivers 300A for a full 60 seconds. Climb steep hills, pull heavy loads, or fight strong currents with confidence. This isn’t a “paper peak” – it’s the power you actually need when things get tough.
• BLUETOOTH & SMART 100A BMS – FULL CONTROL AT YOUR FINGERTIPS Monitor every cell in real time via our free app. Check voltage, temperature, state of charge, and cycle count from up to 20 meters away. The intelligent BMS offers over 20 protections, including low-temp cut-off protection, pre-charge Function, moisture and salt-spray resistance.
• 4000+ CYCLES & WIDE COMPATIBILITY Get 10x longer life than lead-acid. Works perfectly with 36V golf carts (Club Car, EZGO, Yamaha), trolling motors, RVs, solar energy storage, lawn mowers, home backup power.UL-tested top EV grade-A LiFePO4 cells: lighter, safer, and more efficient LiFePO4 cells, delivering 4000+ deep cycles @100% DOD. Replace your old battery once and forget about it for the next decade.
• FOR ELECTRIC OUTBOARD MOTORS Engineered for marine excellence, EVOPOW 36V LiFePO4 battery is the perfect power source for 36V electric outboard motors. This kit includes a 36V 100Ah lithium battery, a 43.8V 20A waterproof charger, a breaker and connecting cables. It is a one-stop solution.

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Redodo 36V 50Ah Trolling Motor Battery with 43.8V 25A Charger – Fast 2-Hour Charge

Redodo’s 36V 50Ah battery comes as a bundle with a 43.8V 25A charger, allowing you to go from empty to full in just 2 hours. That’s the fastest charging time on this list, making it ideal for anglers who need to recharge between outings. The battery is designed for trolling motors with 100-120lb thrust, delivering a steady 50A discharge and 250A peak current. The upgraded 50A BMS can sustain 60A for 30 minutes, giving you a bit of headroom for sudden power demands.

It’s lightweight at just 32.7 pounds and fits a Group 31 size, so installation is easy. The IP65 waterproof rating and BMS protection against humidity and salt spray ensure reliability in harsh marine conditions. With 1920Wh of energy, it’s a solid choice for a day on the water. The only downside is that the battery and charger may ship separately, so you might receive them at different times. Also, the 50Ah capacity may not be enough for very large motors or full-day use at high speeds.

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• 【36V Lithium Battery with Charger Set】This Redodo 36V 50Ah LiFePO4 battery bundle includes an 43.8V 25A dedicated charger for a complete power solution. Recharge fully in just 2 hours and enjoy extended runtime. NOTE: ITEMS MAY BE SHIPPED SEPERATELY AND ARRIVE AT DIFFERENT TIMES.
• 【Power for 36V Trolling Motors】Engineered for trolling motors with 100–120lb thrust, this 36V 50Ah battery delivers a steady 50A discharge and 250A peak current. Its upgraded 50A BMS capable of sustaining 60A for 30mins, ensures stable power even under high demand.
• 【Lightweight & Compact】Weighing only 32.7lbs with a Group 31 size, the 36 volt lithium battery saves space and reduces boat load while providing 1920Wh energy and high energy density.
• 【Durable & Waterproof】Designed for marine use, the 36v 50ah trolling motor battery features IP65 waterproof rating and BMS protection against humidity and salt spray, offering reliability in harsh conditions.
• 【Long Lifespan】With automotive-grade cells and over 4000 cycles, the 36v lithium battery 50ah maintains stable voltage throughout discharge and can last up to 10 years.
• 【Flexible Setup】Ideal for building efficient 36V systems, it can be connected in series for up to 200Ah capacity, reducing wiring complexity and saving space compared to lead-acid batteries.
• 【Full Protection】The upgraded BMS includes safety against over-charge, over-discharge, short-circuits, and more. Its low-temperature charging feature halts charging below 32°F and resumes above 41°F, ensuring safe operation in extreme conditions.
• 【Certified & Reliable】This 36v LiFePO4 battery 50ah complies with FCC, CE, RoHS, UN38.3, ensuring quality and safety.

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Buyer’s Guide: What to Consider

Choosing the right 36V lithium trolling motor battery can feel overwhelming with so many options. To help you narrow down your search, here are seven key factors to consider before making a purchase. Each factor will affect how well the battery performs for your specific needs, from run time to durability.

• Capacity (Ah) and Runtime: The amp-hour rating determines how long your trolling motor will run. 50Ah is suitable for light to moderate use, while 100Ah or higher gives you all-day power. Consider your typical fishing duration and motor thrust when choosing capacity.
• Peak Current and BMS Quality: A good BMS (Battery Management System) protects against overcurrent, overheating, and short circuits. Look for peak current ratings that match your motor’s startup surge. Some batteries offer 1000A peaks for a few seconds, which is great for heavy loads.
• Bluetooth Monitoring and App Features: Many modern batteries come with Bluetooth 5.0, letting you check voltage, temperature, and state of charge from your phone. This is handy for planning your day, but if you prefer simplicity, a battery without Bluetooth can be more reliable.
• Physical Size and Weight: Lithium batteries are much lighter than lead-acid, but sizes vary. Group 31 is a common form factor for boats. Measure your battery compartment to ensure a proper fit. A lighter battery improves boat handling and fuel efficiency.
• Charger Compatibility and Charging Speed: Some batteries come with a dedicated charger, others don’t. A higher amp charger (e.g., 25A) fills the battery faster. Make sure the charger is designed for LiFePO4 chemistry to avoid damage. Fast charging is a major advantage of lithium.
• Cycle Life and Warranty: LiFePO4 batteries typically last 3000-5000 cycles or more, compared to 300-500 for lead-acid. A longer cycle life means better long-term value. Check the warranty—most offer 3-5 years, but some go up to 10 years.
• Waterproofing and Environmental Resistance: For marine use, an IP65 rating or higher ensures protection against water jets and dust. Also look for low-temperature charging protection, which prevents the battery from charging below freezing, extending its lifespan.

Conclusion

Upgrading to a 36-volt lithium trolling motor battery is one of the best investments you can make for your boat. You’ll enjoy longer run times, faster charging, and significantly less weight compared to lead-acid. Whether you need a high-capacity powerhouse like the OGRPHY 105Ah or a lightweight, fast-charging option like the Redodo 50Ah, there’s a battery on this list that fits your style and budget.

For most anglers, the LiTime 36V 100Ah OBM offers the best balance of certification, monitoring, and expandability. If you’re on a tighter budget or need a simple no-app solution, the Ionic Lithium 36V 50Ah is a reliable workhorse. Whichever you choose, you’ll be stepping into a new era of reliable, worry-free power on the water.