Ever felt the frustration of your trolling motor dying right when the fish are biting? That sinking feeling ruins a great day on the water. Choosing the perfect 36V trolling motor battery feels just as tough. You need serious power to push your boat all day, but the options—lithium, AGM, flooded lead-acid—can make your head spin. Which one lasts longer? Which one is safest? Getting this choice wrong means wasted money and shorter fishing trips.
This guide cuts through the confusion. We break down exactly what you need to know about 36V systems. You will learn the real differences between battery types, how to match capacity to your needs, and the secrets to maximizing battery life. Stop guessing and start powering your adventures reliably. Ready to find the battery that keeps you on the water longer? Let’s dive into the details of powering your perfect fishing escape.
Top 36V Trolling Motor Battery Recommendations
SaleNo. 1
LOSSIGY 36V Lithium Golf Cart Battery, 36 Volt 100Ah LiFePO4 Battery with 25A Lithium Charger, Perfect for Golf Carts,Trolling Motors, Marine, Built in 200A BMS,Peak Current 1000A
- 【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.
No. 2
LiTime 36V 100Ah Lithium Battery with 25A Charger for Trolling Motor,Marine | Bluetooth 5.0,100A BMS,Low-Temp Protection,IP65 Waterproof,Up to 15000 Cycles,LiFePO4 Battery for Boat Outboard Motor
- 【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.
- 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.
- 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).
- 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.
- 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.
SaleNo. 3
36 V 50 Ah Trolling Motor Lithium B attery,Built-in 50A BMS
- 【Professional 36V 50AH Trolling Motor Battery】Specifically designed for 100-120lb thrust trolling motors. Delivers 50A continuous discharge,capable of sustaining 60A for 30 minutes to handle sudden power demands,Designed to last over 4000 cycles, 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 rating, the LGECOLFP 36V 50Ah trolling motors battery is lightweight yet resilient against water and dust. Its compact dimensions (L12.8 x W 6.7 x H 8.4 inches) meticulously crafted to meet BCI standards for Group 31 batteries,Offers 69.06Wh/lb energy density, minimizing impact on boat load while maximizing power output for extended trips.
- 【Cost-Effective Power System】Optimize your power setup with a 36V system that reduces wiring costs and space by minimizing amperage. The LGECOLFP 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 36V 50Ah LiFePO4 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.
- 【Warm Tips】① This Battery is an energy storage battery rather than a start-up battery, we do not advise using it to start engines or golf carts. ②12 months warranty,24-hour timely service. However, please read the user manual carefully before using them and if you have any questions about the batteries, please do not hesitate to contact us. We will solve your problems with enthusiasm.
No. 4
Litime 36V 100Ah OBM Lithium Battery for Trolling Motor,Marine,Boat
- Power Expert for Electric Outboard Motor: As an official ABYC member, LiTime goes beyond standard and is committed to innovation, bringing you an all-new electric outboard motor battery designed specifically with your needs in mind. Compatible with 36V-72V motors, LiTime 36V 100Ah Electric Outboard Motor Battery can handle a 500A/1s surge discharge current, withstanding instantaneous high current of motor startup. With a 1.2C discharge capability for up to 3 minutes and auto-recovery from overload protection in 30 seconds, enjoy your adventure with no energy worries, no battery downtime concerns, and a more seamless, faster performance.
- Bluetooth 5.0 Integration: Monitor Your Battery Status with Ease with Bluetooth 5.0, experience the ultimate convenience with the LiTime 36V 100Ah Electric Outboard Motor Battery, now equipped with Bluetooth 5.0. This advanced feature offers:auto-connection, smart discharging control, real-time battery monitoring, battery system checking. Stay informed and in control, ensuring your adventures are powered smoothly and efficiently. Upgrade to LiTime and enjoy a smarter, more connected boating experience!Our 36V OBM battery is compatible with top brands like Torqeedo, ePropulsion, Yamaha, Mercury, Ray, Elco, and more. Experience unmatched performance and versatility.
- Power Durability & Low-Temp Cut-Off Protection: Engineered for excellence, LiTime 36V 100Ah Electric Outboard Motor Battery boasts an impressive 4000-15,000 cycle life, utilizing EV-grade LiFePO4 cells for more than 10 years lifespan. With IP65 water&dust-proof protection, it's designed to withstand the harshest conditions. Featuring advanced low-temperature cut-off protection, this battery ensures that open-water adventure enthusiasts can sail confidently, even in low-temperature conditions. The battery is upgraded with an intelligent cut-off function that automatically cuts off charging or discharging when the battery is charging below 0°C/32℉ and discharging below -20°C/-4℉.
- 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.
No. 5
Litime 36V 50Ah Bluetooth Lithium Trolling Motor Battery for Boat Marine | Group 31,Low-Temp Protection,50A BMS,IP65 Waterproof,Up to 15000 Cycles,Deep Cycle Group31 LiFePO4 Battery,for RV Home
- 【Innovative Design for Trolling Motors】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. With minimal self-discharge and capacity loss, this LiFePO4 battery delivers over 4000+ cycles，traditional lead-acid batteries can be recycled for 200-500 times, and its service life of up to 10 years is 3 times that of lead-acid batteries.
- 【Bluetooth 5.0 Integration】Monitor Your Battery Status with Ease with Bluetooth 5.0, experience the ultimate convenience with the LiTime 36V 50Ah trolling motor battery, equipped with Bluetooth 5.0. This advanced feature offers:auto-connection, smart discharging control, real-time battery monitoring, battery system checking, turn off 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. The maximum discharge current is 50A and support 60A for continuous discharge for 30 minutes. LiTime 36V 50Ah battery supports up to 4 batteries in parallel to expand capacity, forming a 36V 200Ah battery system, which can store up to 7.68 kWh of energy and provide the maximum load power of 7.68 kW.
- 【Unparalleled Energy Density】The LiTime 36V 50Ah 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.
- 【5-Year After-Sales Service】As the leading LiFePO4 lithium battery brand on Amazon, LiTime stands behind its products with a comprehensive 5-year after-sales service. Our team provides professional technical support and responsive online customer service, ensuring a swift response within 24 hours. Should you encounter any issues or have questions, our dedicated support team is always here to assist you. Note: When using for the first time and after shutting down, you need to use the charger to start up.
SaleNo. 6
Litime 36V 100Ah Marine Power Lithium Battery Kit with Charger and Breaker | Bluetooth 5.0,100A BMS,Low-Temp Protection,IP65 Waterproof,Up to 15000 Cycles,LiFePO4 Battery for Boat Trolling Motor
- 【Note】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.
- Born for Electric Outboard Motors:Engineered for marine excellence, LiTime OBM battery is the perfect power source for 36V & 72V electric outboard motors. This kit includes a 36V 100Ah lithium battery, a 43.8V 25A waterproof charger, a breaker and connecting cables. It is a one-stop solution.
- High Performance BMS: supports continuous charging/discharging current of 100A, with peak performance handling 500A for 1s. Low-Temp Cut-Off Protection: Intelligently designed to disable charging at 0℃/32°F and discharging at -20℃/-4°F, safeguarding your battery in extreme conditions.
- Top EV Grade-A LiFePO4 Cells: lighter, safer, and more efficient LiFePO4 Cells, delivering 4000+ deep cycles @100% DOD.
- 100% Protections for Electric Outboard Motors: BMS is tailored for electric outboard motors, offering 20+ protections (including over-charge, over-discharge, over-current, over-temp, short-circuit protections); low-temp cut-off protection; auto-recovery after overload protection(30s); moisture & salt spray resistance; pre-charge function.
SaleNo. 7
DC HOUSE Metal Case 36V 100Ah Lithium Golf Cart Battery Kit w/ 25A Charger | LiFePO4 Battery with Bluetooth Mobile APP& LCD Monitor, 200A BMS, Peak Current 670A, Perfect for Trolling Motor, Marine
- Enhanced Safety Design: The DC HOUSE lithium golf cart battery 36v kit features a durable metal case that is fireproof, impact-resistant, and far safer than the ABS cases used in ordinary lithium batteries. It includes a one-touch power switch to easily cut off output when not in use, preventing accidental power-on.
- Easy to Install: Compared to lead-acid setups that require wiring 6 packs 6V batteries, the DC HOUSE lithium golf cart battery 36v kit needs just a single installation—no complex wiring needed. Inside, metal fixture securely hold the cells in place, providing better stability and safety than typical fixing methods. Paired with Grade A cells, it extends battery life by 30% and lasts up to 8 times longer than lead-acid batteries.
- Powerful 200A BMS Protection: Equipped with a 2C-rated BMS, supports 2C discharge, with 280A/30s max discharge and 670A/1s peak current, providing strong climbing power for 20° slopes. With a 3.84kWh capacity and support for motors up to 5kW, the DC HOUSE 36V golf cart battery delivers 30–40 miles of range, enjoy 5–7 rounds of 18-hole golf tournaments on a single charge.
- Complete Accessories : It features a compact size of 20.3*11.1*9.6 inches and weighs just 36.1kg (79.6 lbs). It comes with a 25A charger and an LCD Bluetooth monitor for real-time tracking. The 2.7-meter (8.86 feet) charging cable allows flexible use, and the battery fully charges in just 4 hours. The 36V charger supports 0V charging, allowing you to reactivate over-discharged batteries safely.
- 2 Ways to Monitor: With APP and LCD monitor DC HOUSE 36V lithium battery has bluetooth function, which can obtain various data (SOC) of lithium iron phosphate battery. The size of the monitor is: 2.76*0.98*1.77 inch.Connect the mobile phone APP and battery display screen via Bluetooth, and you can read important information such as battery voltage and current at any time within a range of 15 meters.
No. 8
Mehrpow 36V 105Ah LiFePO4 Golf Cart Battery for 36V Systems | Built-in Bluetooth, 200A BMS & LCD Display, with 43.8V 25A Lithium Charger, Deep Cycle Battery for Club Car EZGO Yamaha
- LIGHTWEIGHT LITHIUM UPGRADE - Replace heavy lead-acid batteries with a 36V 105Ah LiFePO4 golf cart battery built for 36V systems. The lighter lithium design helps improve cart handling, acceleration, and hill-climbing performance while supporting a smoother on-course driving experience.and a battery life of 30-40 miles. Delivering a superior on-course experience.
- 200A SMART BMS PROTECTION - The built-in 200A battery management system helps protect against overcharge, over-discharge, overcurrent, short circuit, and temperature-related issues. Designed for stable daily use, this 36V lithium golf cart battery supports dependable power for golf course rides and neighborhood travel.
- TWO MONITORING OPTIONS - Track battery status through the Bluetooth app or LCD display, including charge level, operating status, and key battery information. Low-temperature protection helps manage charging and discharging in colder conditions for safer battery operation.
- LONGER SERVICE LIFE DESIGN - Made with LiFePO4 chemistry for deep cycle performance, this lithium golf cart battery is designed for long-term use with reduced maintenance compared with traditional lead-acid batteries. Its 105Ah capacity supports extended driving range for daily golf cart needs.
- MORE THAN GOLF CART USE - A practical 36V lithium battery replacement for Club Car, EZGO, Yamaha, and LVTONG carts. Also suitable for compatible trolling motors, boats, RV power systems, lawn equipment, off-grid use, camping power, and home energy storage applications.
Your Complete Guide to Choosing the Best 36V Trolling Motor Battery
Picking the right battery powers your whole fishing trip. A 36V trolling motor needs a strong, reliable power source. This guide helps you find the perfect match for your boat and your adventures on the water.
Key Features to Look For
When shopping, look closely at these important parts of the battery:
Capacity and Runtime (Ah)
- Amp-Hours (Ah): This number tells you how long the battery lasts. Higher Ah means longer fishing time. Think about how long you usually fish in a day.
- Motor Requirement: Make sure the battery’s Ah rating meets the needs of your specific 36V trolling motor.
Voltage and Configuration
- 36 Volts: This is a must. 36V systems usually require three 12V batteries wired in series. Check if the battery you buy is designed for this setup or if it’s a single 36V unit.
Weight and Size
- Lighter batteries are easier to move and lift onto the boat.
- Measure the space where the battery sits. Ensure the new battery fits perfectly in the designated compartment.
Important Materials: What Makes a Good Battery?
The material inside the battery greatly affects its performance and how long it lasts.
Lead-Acid Batteries (Flooded & AGM)
- Flooded Lead-Acid: These are usually the cheapest. You must add distilled water regularly. They need careful handling because they can spill acid.
- Absorbed Glass Mat (AGM): These are sealed and maintenance-free. They resist vibration better than flooded types, which is good for bumpy boat rides.
Lithium-Ion (LiFePO4)
- Lithium Iron Phosphate (LiFePO4): These are the top choice for many serious anglers. They weigh much less than lead-acid batteries. They also hold a charge longer and last for many more charge cycles. They cost more upfront, but save money over time.
Factors That Improve or Reduce Quality
Not all batteries perform the same way. Quality matters for safety and performance.
Quality Boosters
- Cycling Life: How many times can you fully drain and recharge the battery before it loses significant capacity? Lithium batteries usually offer thousands of cycles.
- Cold Weather Performance: If you fish in cooler water, check reviews about how well the battery works when it gets cold.
- Built-in Battery Management System (BMS): Lithium batteries need a good BMS. This system protects the battery from overcharging or deep discharging, which keeps it safe and extends its life.
Quality Reducers
- Cheap Pricing: Very low prices often mean lower quality materials or fewer safety features.
- Poor Sealing (for Flooded Types): If the caps are loose, water can leak out or dirt can get in.
User Experience and Use Cases
Think about how you use your boat. This helps you choose the right type.
The Weekend Fisherman
If you only fish for a few hours on calm lakes, a good AGM battery might be enough. It offers a balance of cost and reliability.
The Serious Angler/Trolling All Day
If you use your motor at high speed for many hours, or if you fish in rough water, a LiFePO4 battery is better. You get more power, less weight, and less worry about running out of juice mid-day.
Saltwater Use
Saltwater environments are tough on electronics. Look for batteries with excellent corrosion resistance and robust casing materials for the best experience.
Trolling Motor Battery Buying Guide FAQs
Q: How many batteries do I need for a 36V system?
A: Most standard 36V trolling motors require three 12V batteries wired together in series to achieve the required 36 volts.
Q: What is the main difference between AGM and Lithium batteries?
A: AGM batteries are heavier, cheaper initially, and need some care. Lithium batteries weigh much less, last significantly longer, and require no maintenance.
Q: Does the weight of the battery really matter?
A: Yes, weight matters a lot, especially if you lift the batteries often or have limited space. Lithium batteries can be half the weight of lead-acid batteries.
Q: Can I use a 12V or 24V battery charger on a 36V lithium battery?
A: No. You must use a charger specifically designed for 36V systems or a multi-bank charger that can charge the three 12V batteries individually.
Q: How do I know if a battery has enough power for my motor?
A: Check your trolling motor’s manual for its maximum amp draw. Then, choose a battery with an Ah rating that gives you the desired runtime at that draw. A simple rule is: more Ah equals more time.
Q: Do I need to remove my batteries when the boat is stored?
A: Lead-acid batteries should be stored fully charged in a cool, dry place. Lithium batteries handle storage better but should still be kept at a medium charge level (around 50-60%).
Q: What does “deep cycle” mean for a trolling motor battery?
A: Deep cycle means the battery is built to be drained significantly and then recharged many times. Starting batteries are not designed for this kind of use.
Q: How long should a quality 36V battery last?
A: A good quality AGM battery might last 3 to 5 years with regular use. A premium LiFePO4 battery often lasts 8 to 10 years or more.
Q: Are lithium batteries safe to use on a boat?
A: Yes, LiFePO4 batteries are very safe. They have internal protection (the BMS) that prevents overheating or damage from rough use.
Q: Should I wire my three 12V batteries in series or parallel?
A: For 36V power, you must wire them in **series** (connecting positive to negative across the three batteries). Parallel wiring increases amp hours but keeps the voltage at 12V.