10 Best Trolling Motor Batteries 2025 in the United States

The LiTime 12V 100Ah TM Low-Temp Protection LiFePO4 Battery is designed specifically for trolling motors and other marine applications, making it a strong candidate for those who spend time on the water. One of its key strengths is its durability; the battery includes a built-in BMS (Battery Management System) that offers triple protection against dust, water, and salt, making it suitable for harsh marine environments. Additionally, it has a low-temperature cut-off feature, ensuring safe operation even in cooler conditions.

Another advantage is its impressive lifespan. With up to 4,000 cycles at 100% depth of discharge, it significantly outlasts traditional lead-acid batteries, which usually only last around 3 years. This can result in long-term cost savings and reliability, especially for avid boaters. The battery also offers automatic overload protection, allowing it to recover from overload situations without requiring manual intervention.

However, there are a few drawbacks to consider. Weighing in at 46 pounds, it may be heavier than some users prefer, and its size could pose challenges for compact installations. The battery is primarily designed for deep cycle applications, which may not be the best fit for those solely looking for a starting battery. Lastly, LiTime provides a 5-year warranty, which adds a layer of assurance for new buyers. This battery is an excellent choice for those who need a reliable, long-lasting power source for trolling motors and similar applications, but potential buyers should assess their specific space and weight constraints before committing.

The LiTime 12V 50Ah Plus LiFePO4 Lithium Battery is a lightweight and versatile option for trolling motors and various other applications like RVs, boats, and camping. Weighing only 11.57 pounds, it is significantly lighter than traditional lead-acid batteries, making it easy to handle and install. With a capacity of 50Ah, this lithium battery offers a high energy density and stable performance.

The built-in Battery Management System (BMS) protects against overcharging, discharging, and short-circuiting, ensuring safety and reliability over its 10-year lifespan. It also boasts an impressive 4000+ charge cycles, which is much higher than the 300-500 cycles of lead-acid batteries. With a voltage of 12V and a reserve capacity that allows it to maintain a flat discharge curve above 12.8V, this battery provides consistent power output for its entire capacity.

Despite its relatively high upfront cost, the long-term value is notable due to its extended lifespan and efficiency. However, it should not be used as a car, starting, or golf cart battery. In summary, the LiTime LiFePO4 battery is an excellent choice for those needing a durable, lightweight, and high-performing power source for their trolling motor and other similar applications.

The Newport 12V50Ah Deep Cycle Heavy-Duty Marine Battery is a solid choice for boating enthusiasts, especially those using trolling motors. One of its standout features is its lightweight design, at just 30 lbs, making it easy to handle and install without adding significant weight to your boat. The battery boasts a 50Ah capacity and 12-volt output, delivering reliable and long-lasting power suitable for various marine applications. This makes it an excellent option for powering your boat's electrical systems and ensuring a steady performance on the water.

The sealed AGM (Absorbent Glass Mat) construction enhances its durability, making it leak-proof and maintenance-free, which is a significant advantage for marine environments where reliability is crucial. In terms of its build quality, the heavy-duty plastic material and marine terminal design are well-suited for the rugged conditions often encountered on the water. The Newport 12V50Ah battery is ideal for those seeking a reliable, lightweight, and durable power source for their trolling motors.