
Choosing the right size battery for your Jon boat depends on several factors, including the weight of the boat, intended usage, accessories that need to be powered, and available space. Jon boats typically weigh less than 1,200 pounds, and a battery with a group size of 35 and above is recommended. The type of battery is also important, with deep cycle batteries being ideal for trolling motors and electronics, while starter batteries are used to start the engine. AGM batteries are a popular choice for their long life and high power output, while gel cell batteries are known for their stability and low maintenance. The voltage and amps required will depend on the specific needs of your boat, with most setups using 12 volts and focusing on amps for powering accessories.
Characteristics | Values |
---|---|
Battery type | Marine-specific, Deep cycle, Starting, Dual-purpose, AGM, Gel, Lithium-ion, Absorbent Glass Mat (AGM), Gel cell, Wet cell |
Voltage | 12V for starting the engine, 24V for trolling |
Amp-hours | Depends on the number of accessories and their power requirements |
Weight | Lighter batteries reduce the weight of the boat, improving speed and fuel efficiency |
Size | Choose the biggest battery you can afford that fits in the available space |
Recharger | A good recharger is important as marine batteries can take a while to recharge |
What You'll Learn
Deep cycle vs starter battery
There are a few things to consider when choosing a battery for your jon boat. Firstly, you need to think about how much power you will need and for how long. Jon boats don't require a lot of power, but they do need some. If you're planning on using your boat for long periods, you'll need a battery that can provide consistent power over a long period. This is where deep cycle batteries excel. They are designed to slowly trickle a current over an extended period, making them ideal for running accessories and electronics like GPS, radios, and fish finders. They also perform well when there are surges in power demand.
On the other hand, starter or cranking batteries are designed to deliver quick, strong bursts of energy to start your engine. They are not meant for extended use and are not as effective as deep cycle batteries for powering accessories. However, they are crucial for getting your boat engine running in the first place.
If you want the best of both worlds, you could consider a dual-purpose battery, which combines the functions of both deep cycle and cranking batteries. However, these are less efficient than specialized batteries, and you may be better off with separate batteries for each function.
Another important consideration is the weight and size of the battery. Jon boats generally weigh less than 1200 pounds, so you'll need a battery that can provide enough power without being too heavy or bulky. You also need to think about the space available on your boat and ensure that the battery doesn't take up too much room.
In summary, if you're looking for a battery to power your jon boat accessories and electronics for extended periods, a deep cycle battery is the way to go. But if you also need to start your boat engine, you'll need a starter battery or a dual-purpose battery. Just make sure to choose a battery that fits your boat's weight and size constraints and always follow the manufacturer's recommendations.
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Marine battery types
Marine batteries are essential components of boats and watercraft and they come in several types, each with unique characteristics and lifespans. Here is a detailed overview of the different types of marine batteries:
Starting (Cranking) Batteries
These batteries deliver quick bursts of energy to start the boat's engine. They are not designed for extended, continuous use. Starting batteries are designed with thinner plates and more surface area, enabling quick discharge and recharge. With proper maintenance, starting batteries typically last 3-4 years.
Marine Deep-Cycle Batteries
Deep-cycle batteries are built to provide consistent power over a long period, making them ideal for running electronics, trolling motors, and appliances. They are engineered for steady, sustained energy output and are perfect for electronics that require a continuous power supply over long periods. Deep-cycle batteries include:
Flooded Lead-Acid Batteries
Flooded lead-acid batteries are the most common and cost-effective option. They are also referred to as "wet cell" batteries, as they use a reservoir of liquid sulfuric acid between their lead plates, producing hydrogen and oxygen during charging. These batteries require regular maintenance, including water level checks and proper ventilation. With good care, they can last 3-5 years.
Absorbent Glass Mat (AGM) Batteries
AGM batteries are spill-proof and maintenance-free. They use a fiberglass mat to absorb the electrolyte, minimising the potential for electrolyte spillage. The positive and negative plates are separated by an absorbent glass mat that holds the acid electrolyte like a sponge. AGM batteries have a longer lifespan than flooded batteries, typically lasting 4-7 years. They are also resistant to vibration and can be mounted in any position.
Lithium Boat Batteries
Lithium boat batteries are becoming increasingly popular due to their lightweight design, high efficiency, and long lifespan. They can last 8-10 years or more, providing better long-term value despite their higher upfront cost. Lithium batteries are significantly lighter than lead-acid options, making them a crucial consideration for smaller boats.
Dual-Purpose Batteries
Dual-purpose batteries combine the functions of starting and deep-cycle batteries, offering a versatile solution for boats with limited space. They provide enough power to start engines and sustain energy for electronics and trolling motors. These batteries typically last 3-5 years, balancing the characteristics of both starting and deep-cycle batteries.
Gel Batteries
Gel batteries are another option for marine applications, offering unique advantages. They utilise a thickening agent to create a gel-like substance, providing exceptional cycle life and a higher depth of discharge. Gel batteries can offer up to three to four times the lifespan of standard AGM or flooded batteries. They are resistant to vibration and shock, making them ideal for marine environments with constant movement and rough waters. Additionally, they function well across a wide range of temperatures and recharge faster than AGM and flooded batteries.
LiFePO4 (Lithium Iron Phosphate) Batteries
LiFePO4 batteries are making significant inroads into the marine market, offering several benefits over standard battery types. They are sealed and highly stable, making them well-suited for boating applications. LiFePO4 batteries have a longer lifespan, with up to three times the life cycles of other battery types. They are lighter, smaller, and can accept much higher charging amperage, resulting in faster charging times. However, they are more expensive and sensitive to charge requirements.
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Battery weight
The weight of a battery is determined by various factors, including its size, type, and construction. Larger batteries tend to be heavier, but this is not always the case, as some modern battery types offer high power-to-weight ratios. For example, lithium-ion batteries are known for their low weight and high energy density, making them a popular choice for applications where weight is a critical factor.
When it comes to jon boats, the weight of the battery should be considered in relation to the weight of the boat itself. Jon boats typically weigh less than 1,200 pounds, including all equipment, so choosing a battery that does not add significant weight is essential. A heavy battery can affect the boat's performance and handling, especially if it is already close to its weight capacity.
Additionally, the weight of the battery can impact its placement on the boat. Heavier batteries may need to be placed in specific locations to balance the boat properly. For example, if the trolling motor is at the front of the boat, placing the battery at the back can help balance the weight distribution.
It is worth noting that while weight is an important consideration, it should not be the only factor when choosing a battery. The power output, capacity, and durability of the battery are also crucial factors. Finding the right balance between weight and performance is essential to ensure the battery meets the specific needs of the jon boat and its owner.
In summary, battery weight is a critical factor when choosing a battery for a jon boat. Heavier batteries can impact the boat's performance and fuel efficiency, so selecting a battery that provides sufficient power without adding excessive weight is essential. By considering the weight in conjunction with other factors, such as power output and durability, jon boat owners can make an informed decision and choose the best battery for their needs.
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Voltage and amps
Voltage refers to the electrical potential difference between two points in a circuit and is measured in volts. For Jon boats, the voltage is typically 12 volts.
Amps, or amperes, on the other hand, measure the rate of flow of electric current and are the "juice" that powers your accessories. The more accessories you have, the more amps you'll need to keep them running.
When choosing a battery, you'll want to look at amp-hours, which indicate the number of amps a battery can deliver over a period of time. To determine the right amp-hours for your Jon boat, turn on all your accessories and measure the current (amps) running from your existing battery. Take measurements at minimum, maximum, and average use. Then, divide the amp-hour value of a prospective battery by the current you measured to estimate how many hours your boat will be powered by that battery.
It's worth noting that the weight of your Jon boat will impact the size of the battery you need. Most Jon boats weigh less than 1,200 pounds, so a battery group size of 35 and up is recommended.
Additionally, consider your propulsion needs. If you're only trolling, the weight of your boat will be the main factor. However, if you require more power, you'll need to take into account your propulsion requirements and the power demands of your accessories.
Finally, space is a crucial consideration. While a larger battery will provide more power, it will also take up more room. Ensure that the battery you choose fits properly in your Jon boat and doesn't hinder your movement.
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Battery placement
Firstly, it is recommended to have a dedicated battery for your trolling motor. This will ensure you have sufficient power for motoring and will avoid draining a single battery that powers multiple accessories. Having two batteries is beneficial for this reason, and it is a good idea to keep one as a backup in case of emergencies.
When it comes to placement, consider balancing the weight distribution in your Jon boat. If your trolling motor is at the front, place the battery at the rear, and vice versa. This will help balance the boat and improve handling. Additionally, ensure that the battery is secured safely and won't move around while the boat is in motion.
Another factor to consider is ease of access. While the battery should be secure, it should also be placed in a location that is easily accessible for maintenance, checking connections, and replacing the battery if needed. Keep in mind that you will need to regularly check the battery's water levels and add distilled water when required.
It is also essential to comply with local regulations and safety standards. Most places require a battery cover by law, so ensure you have one that fits securely over your battery. This will protect the battery from the elements and reduce the risk of short circuits and electrical issues.
Finally, consider the wiring setup. The battery should be placed in a location that allows for efficient and safe wiring to the trolling motor and any other accessories. This may influence the placement of other electrical components in your Jon boat. Ensure that all wiring is done by a qualified professional or someone with electrical expertise to maintain safety standards.
By following these tips and considering weight distribution, ease of access, regulatory compliance, and wiring setup, you can optimise the placement of your battery or batteries in your Jon boat.
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Frequently asked questions
The size of the battery you need for your Jon boat depends on several factors, including the weight of the boat, how you will be using it, what accessories you will be powering, and the available space on the boat. Generally, the bigger the battery you can afford in terms of money and space, the better.
A starter battery is a separate power source used to start the engine. A deep-cycle battery is used for the trolling motor and various electronics, providing a steadier power source for longer periods. Deep-cycle batteries are designed to be used and recharged and can also be used to start the engine in an emergency. Dual-purpose batteries are ideal for both starting and cycling.
Common battery types for boats include lithium-ion, Absorbent Glass Mat (AGM), gel cell, and wet cell batteries. Marine batteries are designed with a sturdier frame and elevated electrical connectors to prevent water damage and short circuits. They are also made from lightweight materials and have a longer charge and life expectancy than car batteries.