Trolling motor batteries come in various types: Lead-Acid, AGM, and Lithium-Ion. A typical 12V battery has a capacity of 50-200Ah, offering 1-8 hours of runtime. Weight varies from 30-100 lbs. Maintenance requirements range from regular for lead-acid to low for AGM and lithium-ion. Costs are low for lead-acid, moderate for AGM, and high for lithium-ion.
Trolling Motor Battery Calculator
Battery Type | Voltage | Capacity (Ah) | Typical Runtime | Weight (lbs) | Maintenance | Cost (Relative) |
---|---|---|---|---|---|---|
Lead-Acid | 12V | 50-200+ | 1-8+ hours | 30-70+ | Regular | Low |
AGM (Absorbent | 12V | 50-200+ | 1-8+ hours | 30-70+ | Low | Moderate |
Glass Mat) | ||||||
Lithium-Ion | 12V/24V | 50-200+ | 2-10+ hours | 15-50+ | Low | High |
Lithium | ||||||
Deep Cycle | 12V | 50-200+ | 1-8+ hours | 50-100+ | Regular | Moderate |
Marine | 12V | 50-200+ | 1-8+ hours | 50-100+ | Regular | Moderate |
FAQs
How long will a 100Ah battery last with a 55 lb thrust trolling motor? Assuming an average draw of around 30-40 amps for a 55 lb thrust trolling motor, a 100Ah battery may last approximately 2.5 to 3 hours.
How do I know what size battery to get for my trolling motor? To determine the right battery size, you’ll need to consider the motor’s amperage draw, your desired runtime, and any other devices connected to the battery. Divide the battery’s capacity (in amp-hours) by the motor’s amp draw to estimate runtime.
How long will a 75 amp hour battery last for trolling motor? With a 75Ah battery and a 55 lb thrust trolling motor drawing around 30-40 amps, you might get approximately 1.5 to 2 hours of runtime.
How many amps does a 55 lb trolling motor draw? A 55 lb thrust trolling motor typically draws between 30-40 amps on average.
What size battery do I need for an 80 lb thrust trolling motor? For an 80 lb thrust trolling motor, you would want a battery with a capacity of at least 200Ah to ensure a reasonable runtime, as these motors can draw 50-60 amps or more.
How long will a 100 amp hour lithium battery run a trolling motor? A 100Ah lithium battery can run a trolling motor for approximately 2.5 to 3 hours, assuming an average draw of 30-40 amps.
Why are lithium batteries not recommended for trolling motors? Lithium batteries are not commonly recommended for trolling motors due to their higher cost compared to traditional lead-acid batteries. However, they offer longer lifespans, lighter weight, and faster charging.
Should you use a deep cycle battery for a trolling motor? Yes, deep cycle batteries are recommended for trolling motors because they are designed to provide a steady level of power over an extended period, which is ideal for trolling motor applications.
What size lithium battery do I need for a 45 lb thrust trolling motor? For a 45 lb thrust trolling motor, a 100Ah lithium battery should provide around 2.5 to 3 hours of runtime.
How do I make my trolling motor last all day? To make your trolling motor last all day, consider carrying a spare battery or a larger capacity battery. Also, use lower thrust settings when possible, and navigate at lower speeds. Efficiently plan your route to conserve power.
Do lithium batteries last longer on trolling motors? Yes, lithium batteries generally have a longer lifespan compared to traditional lead-acid batteries when used in trolling motor applications. They can endure more charge-discharge cycles.
What size battery do I need for a 55 lb thrust trolling motor? For a 55 lb thrust trolling motor, a 100Ah battery should give you approximately 2.5 to 3 hours of runtime.
How big of a boat will a 55 lb trolling motor push? A 55 lb thrust trolling motor is suitable for boats up to about 18 feet in length, depending on factors like boat weight, wind, and current conditions.
How many amps does a 30 lb thrust trolling motor pull? A 30 lb thrust trolling motor typically draws around 20-25 amps on average.
How many amps does a 70 pound thrust trolling motor draw? A 70 lb thrust trolling motor can draw around 40-50 amps or more, depending on the specific model and conditions.
What battery lasts the longest for a trolling motor? Lithium batteries tend to last the longest in terms of overall lifespan for trolling motor use, often outlasting traditional lead-acid batteries by a significant margin.
How fast will a 85 lb thrust trolling motor go? An 85 lb thrust trolling motor can propel a boat at speeds of around 5-6 mph, depending on factors like boat weight, hull design, and conditions.
How fast will a 62 lb thrust trolling motor go? A 62 lb thrust trolling motor can achieve speeds of approximately 4-5 mph under typical conditions.
What size lithium battery is best for trolling motor? The best size lithium battery for a trolling motor depends on the motor’s amp draw and your desired runtime. A 100Ah lithium battery is a good starting point for many trolling motor applications.
How long will a battery last with a 55 lb trolling motor? With a 100Ah battery and a 55 lb thrust trolling motor drawing around 30-40 amps, you may get approximately 2.5 to 3 hours of runtime.
How fast will a 86 lb thrust trolling motor go? An 86 lb thrust trolling motor can propel a boat at speeds of around 6-7 mph, depending on various factors.
What is the biggest problem with lithium batteries? One of the biggest problems with lithium batteries is their sensitivity to overcharging or over-discharging, which can lead to safety hazards such as thermal runaway or fire.
Will my Minn Kota battery charger charge lithium batteries? Minn Kota offers specific chargers designed for lithium batteries. Using a compatible charger is recommended for safely and efficiently charging lithium batteries.
What is the biggest disadvantage of a lithium-ion battery? The biggest disadvantage of lithium-ion batteries is their potential for thermal runaway, which can lead to fires or explosions if they are damaged, overcharged, or subjected to extreme conditions.
Why do you need two batteries for trolling motor? Using two batteries for a trolling motor allows you to create a 24-volt system, which can provide more power and longer runtime compared to a single 12-volt battery setup.
Is there a difference between deep cycle and marine battery? Marine batteries can include deep cycle batteries, but not all marine batteries are deep cycle. Deep cycle batteries are designed for continuous, deep discharges and are commonly used for trolling motors, while marine batteries may also include starting batteries designed for engine cranking.
How do I choose a trolling battery? To choose a trolling battery, consider your trolling motor’s power needs, the desired runtime, and the type of battery (e.g., lead-acid, AGM, lithium) that best fits your requirements and budget.
Are lithium trolling motor batteries worth the cost? Lithium trolling motor batteries are worth the cost for those who prioritize longer lifespan, lighter weight, faster charging, and higher energy density. However, they are more expensive upfront than traditional lead-acid batteries.
Is 24V 50ah enough for a trolling motor? A 24V 50Ah battery should be sufficient for many trolling motor applications, providing several hours of runtime, depending on the motor’s amp draw.
How long will a 20Ah lithium battery last with trolling motor? With a 20Ah lithium battery and a trolling motor drawing around 30-40 amps, you might get approximately 0.5 to 0.7 hours of runtime.
Is it better to push or pull with a trolling motor? It’s generally more efficient to pull a boat with a trolling motor, as this reduces water resistance and provides better control and steering.
How often should I charge my trolling motor battery? You should charge your trolling motor battery after each use to ensure it is fully charged and ready for the next outing. Avoid letting it fully discharge.
Can you overcharge a trolling motor battery? Overcharging a lead-acid battery can damage it. However, modern chargers usually have built-in features to prevent overcharging. Lithium batteries, on the other hand, should be charged with a charger designed for them to prevent overcharging.
Are lithium marine batteries worth it? Lithium marine batteries are worth it for those who value longer lifespan, lighter weight, and faster charging. However, they are more expensive upfront than traditional marine batteries.
Why do lithium batteries get worse over time? Lithium batteries degrade over time due to chemical reactions that occur during charge and discharge cycles. This can lead to a reduction in capacity and overall performance.
Why do lithium batteries not last? Lithium batteries have a limited lifespan because the chemistry of lithium-ion cells degrades over time, resulting in reduced capacity and performance.
How fast will a 55 lb thrust trolling motor go on a kayak? A 55 lb thrust trolling motor on a kayak can typically propel the kayak at speeds of 4-5 mph, depending on factors like kayak design and conditions.
How many horsepower is a 55 lb trolling motor? There’s no direct conversion from thrust (lb) to horsepower (hp) for trolling motors, as they are electric motors. The thrust rating indicates the motor’s power in terms of thrust force, not horsepower.
How fast will a kayak go with a trolling motor? The speed of a kayak with a trolling motor depends on factors like motor thrust, kayak design, and conditions. Generally, speeds can range from 4-6 mph.
What size trolling motor do I need for a 20-foot boat? For a 20-foot boat, you would typically need a trolling motor with at least 80-100 lbs of thrust for adequate control and performance.
How far below the hull should a trolling motor be? A trolling motor should be mounted so that the propeller is fully submerged but not so deep that it hits obstacles or creates excessive drag. The depth can vary depending on the motor and boat design but is typically a few inches below the waterline.
What size battery do I need for a 30 lb thrust trolling motor? For a 30 lb thrust trolling motor, a 50-75Ah battery should provide sufficient runtime, depending on your specific needs.
How long will a 35Ah battery last with a trolling motor? With a 35Ah battery and a trolling motor drawing around 30-40 amps, you might get approximately 0.75 to 1 hour of runtime.
How long can you run a trolling motor on a battery? The runtime of a trolling motor on a battery depends on the battery’s capacity (Ah), the motor’s amp draw, and the throttle setting. It can range from 1 to 10 hours or more.
How many amps does a Minn Kota 55 lb thrust trolling motor draw? A Minn Kota 55 lb thrust trolling motor typically draws around 30-40 amps, but the exact amperage can vary by model and settings.
Can I use a car battery for my trolling motor? While it’s possible to use a car battery temporarily for a trolling motor, it’s not recommended. Car batteries are not designed for deep discharges, and using them this way can significantly shorten their lifespan.
Are AGM batteries better for trolling motors? AGM (Absorbent Glass Mat) batteries are a good choice for trolling motors because they are sealed, maintenance-free, and handle deep discharges well. They are a suitable alternative to traditional lead-acid batteries.
How many lbs of thrust is equal to 1 hp? There isn’t a direct conversion between pounds of thrust and horsepower because they measure different aspects of motor performance. Thrust measures the force produced, while horsepower measures the rate at which work is done. It varies depending on motor efficiency and other factors.
Is more thrust better on a trolling motor? More thrust on a trolling motor provides better control, especially in windy or turbulent conditions, and allows you to move larger boats. However, it can also drain the battery faster.
Can you have too much thrust on a trolling motor? Having too much thrust on a trolling motor is not necessarily a problem, but it can lead to faster battery drain and potentially overpowering smaller boats. It’s essential to balance thrust with the size and weight of your boat.
Will a bigger prop make trolling motor go faster? A larger propeller on a trolling motor can increase speed to some extent, but it also requires more power to turn. The size of the propeller should be matched to the motor’s capacity for optimal performance.
What should a 12-volt lithium battery be charged to? A 12-volt lithium battery should be charged to its recommended voltage, which is typically around 13.2 to 14.6 volts, depending on the specific lithium chemistry and manufacturer recommendations.
What is a major problem with lithium batteries? A major problem with lithium batteries is the risk of thermal runaway, which can lead to fires or explosions if they are damaged, overcharged, or exposed to extreme conditions.
What is the difference between a lithium-ion battery and a lithium battery? Lithium-ion batteries are a type of lithium battery. The term “lithium battery” is a broad category that encompasses various lithium-based chemistries, including lithium-ion, lithium-polymer, and others.
What makes a better battery than lithium? Lithium batteries are among the best options for many applications due to their high energy density, lightweight design, and long cycle life. There isn’t a single type of battery that universally outperforms lithium batteries in all aspects.
Can you run 2 batteries on a 12V trolling motor? Yes, you can run 2 batteries on a 12V trolling motor by connecting them in parallel to increase capacity and runtime. This setup maintains a 12V output while doubling the amp-hour capacity.
How long will a 12-volt deep cycle battery run a trolling motor? The runtime of a 12-volt deep cycle battery on a trolling motor depends on the battery’s capacity and the motor’s amp draw. A typical deep cycle battery can provide 2-6 hours of runtime.
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