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10 Best Deep Cycle Trolling Motor Batteries 2025 in the United States

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#1

Winner

LiTime 12V 100Ah Group 24 Bluetooth LiFePO4 Battery, Deep Cycle Lithium Battery, Built-in 100A BMS with Low-Temp Protection, Max. 15000 Cycles, Perfect for RV, Solar System, Trolling Motors etc.

Rating
10.0
Chosen by1,372
Weight
Cycle Life

Most important from
4036 reviews

Weight
It's surprisingly lightweight compared to lead-acid batteries, making it easy to carry and install.
Cycle Life
After a year of use, these batteries have maintained their capacity even through hundreds of cycles and usage in cold temperatures.

The LiTime 12V 100Ah Group 24 Bluetooth LiFePO4 Battery is a solid choice for those looking for a reliable deep-cycle battery for trolling motors, RVs, or solar systems. Weighing just 21.9 lbs, it is significantly lighter and more compact than traditional lead-acid batteries, making it easier to handle and install. The battery has a high energy density, which means it can store more power in a smaller space.

One of its standout features is the built-in Bluetooth 5.0 module, allowing users to monitor battery status in real-time through the LiTime app. This feature adds convenience and helps ensure optimal battery management. The built-in Battery Management System (BMS) provides protection against over-charging, over-discharging, over-current, and short-circuits, along with a low-temperature cut-off that ensures safe operation in various environments.

The battery's automotive-grade lithium iron phosphate cells offer stability and safety, being UL tested and FCC, CE certified with an IP65 waterproof rating. Users also benefit from a 5-year warranty and responsive customer support. However, it's important to note that this battery is not suitable for starting engines, golf carts, or jacks. Additionally, users may need to activate the Bluetooth function with a specific charger upon first use. The LiTime 12V 100Ah Group 24 Bluetooth LiFePO4 Battery is a versatile, high-performance option for those needing a dependable and advanced battery solution for deep-cycle applications.

Rating
10.0
Chosen by1,372
Weight
Cycle Life

Most important from
4036 reviews

Weight
It's surprisingly lightweight compared to lead-acid batteries, making it easy to carry and install.
Cycle Life
After a year of use, these batteries have maintained their capacity even through hundreds of cycles and usage in cold temperatures.
#2

LiTime 12V 100Ah TM Low-Temp Protection LiFePO4 Battery Built-in 100A BMS, Group 31 Deep Cycle, Lithium Iron Phosphate Battery Perfect for Trolling Motors, Yacht, Marine, Boat, RV, Home Energy

Rating
10.0
Battery Type
Weight
Size and Dimensions

Most important from
4036 reviews

Battery Type
Switching from lead-acid to lithium is like night and day, with significant weight reduction and consistent full power throughout discharging.
Weight
Switching from lead-acid to lithium is like night and day, with significant weight reduction and consistent full power throughout discharging.
Size and Dimensions
The battery stays charged for a long time and fits perfectly on the boat, allowing for extended trolling with no loss of power.

The LiTime 12V 100Ah TM Low-Temp Protection LiFePO4 Battery is a solid choice for those needing a reliable, long-lasting power source for trolling motors, yachts, and other marine applications. One of its standout features is the built-in Battery Management System (BMS) that offers comprehensive protection against overcharging, over-discharging, and other electrical issues. The low-temperature cut-off function ensures it performs well even in colder environments, making it versatile for various weather conditions. The battery's impressive cycle life of 4000+ cycles at 100% depth of discharge (DOD) means it outlasts traditional lead-acid batteries by a significant margin, translating to better long-term value. Furthermore, the automatic overload protection and recovery feature add to its user-friendly nature, as it eliminates the need for manual resets.

This battery is also expandable, allowing users to connect up to four batteries in series and parallel, making it suited for larger energy storage needs. Its relatively compact dimensions (6.77 inches deep, 13 inches wide, and 8.43 inches high) and lightweight design make it easier to handle and install compared to bulkier alternatives. However, it does come with a higher upfront cost than lead-acid batteries, which might be a consideration for budget-conscious buyers.

Additionally, while it offers a 5-year warranty and good customer support, some users might find the initial setup more complex due to the need for proper series and parallel connections for expanded systems. The LiTime 12V 100Ah TM battery excels in performance, durability, and safety, making it an excellent option for those in need of a dependable deep-cycle battery for marine and other energy-intensive applications.

Rating
10.0
Battery Type
Weight
Size and Dimensions

Most important from
4036 reviews

Battery Type
Switching from lead-acid to lithium is like night and day, with significant weight reduction and consistent full power throughout discharging.
Weight
Switching from lead-acid to lithium is like night and day, with significant weight reduction and consistent full power throughout discharging.
Size and Dimensions
The battery stays charged for a long time and fits perfectly on the boat, allowing for extended trolling with no loss of power.
#3

LiTime 12V 50Ah Plus LiFePO4 Lithium Battery for Trolling Motor, 50A BMS, 10 Years Lifetime 4000+ Cycles Output Power 640W, Perfect for RV, Boat Marine Trolling Motor Camping

Rating
9.9
Battery Type
Capacity (Amp Hours - Ah)
Voltage

Most important from
4036 reviews

Battery Type
Best value smart battery that is lightweight compared to lead-acid alternatives, making it perfect for portable power stations.
Capacity (Amp Hours - Ah)
Excellent performance in powering high-draw devices like compressors, handling 30 amps with ease.
Voltage
Versatile battery that supports a wide range of 12V and 24V devices, from USB chargers to portable fridges and laptop power supplies.
Weight
Impressive lightweight design makes it easy to handle and install, even for various portable power applications.

The LiTime 12V 50Ah Plus LiFePO4 Lithium Battery stands out for its impressive lightweight design and high efficiency, making it ideal for a variety of applications, including RVs, boats, and camping. Weighing only 11.57 pounds, it is significantly lighter than traditional lead-acid batteries, which can weigh up to 60 pounds. This makes it easy to handle and install, even for a child.

The battery also offers flexible configurations, allowing it to be connected in parallel or series to increase capacity or voltage, respectively. This adaptability can be beneficial for various power needs and setups. With a flat discharge curve, it provides consistent power of 12.8V for nearly the entire duration of its charge, ensuring reliable performance. It also boasts a high cycle life, with over 4000 deep cycles and a lifespan of up to 10 years, compared to the 300-500 cycles and 3-year lifespan of conventional lead-acid batteries.

Safety is another key feature, as it includes a built-in Battery Management System (BMS) that protects against overcharging, overdischarging, overheating, and short-circuiting. Additionally, the battery comes with a 5-year warranty, which is substantially longer than the typical 1-year warranty for lead-acid batteries. However, it's important to note that this battery is not suitable for use as a car, starting, or golf cart battery. It is designed strictly for deep-cycle applications. Its cost may be higher upfront compared to lead-acid batteries, but the long-term value it offers through durability and reduced maintenance can justify the investment for many users. The LiTime 12V 50Ah Plus LiFePO4 Lithium Battery is a robust, efficient, and lightweight option for those needing reliable deep-cycle power for various outdoor and backup applications.

Rating
9.9
Battery Type
Capacity (Amp Hours - Ah)
Voltage

Most important from
4036 reviews

Battery Type
Best value smart battery that is lightweight compared to lead-acid alternatives, making it perfect for portable power stations.
Capacity (Amp Hours - Ah)
Excellent performance in powering high-draw devices like compressors, handling 30 amps with ease.
Voltage
Versatile battery that supports a wide range of 12V and 24V devices, from USB chargers to portable fridges and laptop power supplies.
Weight
Impressive lightweight design makes it easy to handle and install, even for various portable power applications.

Buying Guide for the Best Deep Cycle Trolling Motor Batteries

Choosing the right deep-cycle trolling motor battery is crucial for ensuring your boat's trolling motor performs efficiently and reliably. Deep-cycle batteries are designed to provide a steady amount of current over a long period, making them ideal for trolling motors. When selecting a battery, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and ensure your trolling motor runs smoothly during your fishing or boating trips.
Battery TypeThere are three main types of deep-cycle batteries: Flooded Lead-Acid (FLA), Absorbed Glass Mat (AGM), and Lithium-Ion. FLA batteries are the most affordable but require regular maintenance and can spill if tipped over. AGM batteries are sealed, maintenance-free, and more durable, making them a popular choice. Lithium-Ion batteries are the most expensive but offer the longest lifespan, are lightweight, and have the fastest charging times. Choose a battery type based on your maintenance preference, budget, and performance needs.
Capacity (Amp Hours - Ah)Capacity, measured in amp hours (Ah), indicates how much energy the battery can store. A higher Ah rating means the battery can power your trolling motor for a longer period. Batteries with a capacity of 50-100 Ah are suitable for short trips or smaller boats, while those with 100-200 Ah are better for longer trips or larger boats. Consider how long you typically use your trolling motor and choose a capacity that matches your usage patterns.
VoltageMost trolling motors operate on 12V, 24V, or 36V systems. The voltage of your battery should match the voltage requirements of your trolling motor. A 12V system is common for smaller boats and light usage, while 24V and 36V systems are used for larger boats and more demanding conditions. Check your trolling motor's specifications to determine the appropriate voltage and ensure compatibility.
Reserve Capacity (RC)Reserve Capacity (RC) is the number of minutes a fully charged battery can deliver a specified constant load (usually 25 amps) before the voltage drops below a usable level. A higher RC means the battery can provide power for a longer period under a constant load. This is important for ensuring your trolling motor can run for extended periods without losing power. Choose a battery with a higher RC if you plan on long fishing trips or need reliable power for extended use.
WeightThe weight of the battery can affect the overall performance and handling of your boat. Heavier batteries can provide more capacity but may also add significant weight to your boat, affecting its speed and maneuverability. Lighter batteries, such as Lithium-Ion, offer high capacity without the added weight. Consider the weight of the battery in relation to your boat's capacity and how it might impact your boating experience.
Size and DimensionsThe physical size and dimensions of the battery are important to ensure it fits in the designated battery compartment of your boat. Measure the available space and compare it with the battery dimensions to ensure a proper fit. Some boats have limited space, so it's crucial to choose a battery that fits comfortably without compromising other equipment or storage areas.
Cycle LifeCycle life refers to the number of complete charge and discharge cycles a battery can undergo before its capacity significantly diminishes. A higher cycle life means the battery will last longer and provide more reliable performance over time. AGM and Lithium-Ion batteries typically have a higher cycle life compared to FLA batteries. If you use your trolling motor frequently, investing in a battery with a higher cycle life can be more cost-effective in the long run.
Charging TimeCharging time is the amount of time it takes to fully recharge the battery. Faster charging times can be convenient, especially if you need to quickly recharge between trips. Lithium-Ion batteries generally have the fastest charging times, while FLA batteries take longer to charge. Consider how often you use your trolling motor and how quickly you need the battery to be ready for use when choosing a battery with an appropriate charging time.

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