How to Charge A Trolling Motor Battery on the Water

Table of Content

• How to Charge a Trolling Motor Battery While on the Lake?
• Upgrading Your Batteries to Lithium Trolling Motor Batteries
• Conclusion

How to Charge a Trolling Motor Battery While on the Lake?

Imagine this: you're in the middle of a vast lake when suddenly your trolling motor stops working. Upon checking, you find that the battery is low or completely dead. This situation can be frustrating, but there are ways to charge your trolling motor battery even when you're out on the lake.

1. Using Solar Panels

Charging trolling motor batteries using solar panels is a sustainable and convenient method to keep your batteries powered. Here's a simple guide to achieve this:

• Choose the Right Solar Panel: Select a solar panel suitable for charging marine batteries. Ensure it has sufficient wattage to generate the required power for your trolling motor batteries. Flexible and lightweight solar panels are ideal for this purpose.
• Secure the Solar Panel: Position the solar panel on the deck of your boat, ensuring it receives direct sunlight. Keep it securely fastened to prevent movement while the boat is in motion.
• Connect the Solar Panel to a Charge Controller: Use a solar charge controller or regulator to manage the power flow from the solar panel to the batteries. This device prevents overcharging and regulates the voltage and current to protect the batteries.

• Monitor and Maintain: Regularly check the connections and the charge controller to ensure everything is functioning effectively. Keep the solar panel clean and free from debris to maximize its efficiency in harnessing sunlight.

2. Using Onboard Charger

If your boat is equipped with an onboard charger, it serves as an excellent solution for keeping your trolling motor battery charged. This type of charger offers several benefits and can be a reliable solution for keeping your trolling motor battery charged while on the lake. The charger draws power from an external AC source when your boat is docked or from an internal generator if your boat is equipped with one.

3. Portable Marine Battery Charger

A portable marine battery charger is an indispensable tool for charging trolling motor batteries while on the lake. Look for a charger specifically designed for marine batteries, as they are built to withstand the rigors of aquatic environments. These chargers are typically compact, lightweight, and equipped with features suitable for use on boats.

When selecting a charger, consider its capacity, versatility, and compatibility with your trolling motor battery type. We recommend the 12V/24V lithium battery charger, which can fully charge your battery in about five hours.

Before the charging process, please ensure that your battery charger is in proper installation and setup:

• Secure Placement: Ensure the charger is securely mounted in a stable location to prevent it from shifting or getting damaged while the boat is in motion.
• Waterproofing: Verify that the charger is waterproof or make sure it doesn't get wet. This protects it from water damage and ensures safe operation in a wet environment.
• Ventilation: Install the charger in a well-ventilated area to prevent overheating. Avoid placing it in enclosed spaces where heat buildup could occur.

4. Dual Battery Setup

Consider installing a dual battery setup on your boat to ensure continuous power for your trolling motor. This configuration involves using one battery for running the trolling motor while the other is reserved for charging. When the motor is not in use, the charging battery can replenish the power of the trolling motor battery. This method allows you to rotate the use of batteries, ensuring that you always have a fully charged power source available.

5. Trolling Motor Alternator

Some trolling motors are compatible with alternator systems, which generate electricity as the motor operates. This electricity can be used to charge the trolling motor batteries directly, providing a convenient and efficient way to maintain their charge while on the lake. Trolling motor alternators are designed to seamlessly integrate with the motor's operation, enabling continuous charging without the need for manual intervention.

6. Using Energy-Efficient Trolling Motor

Conserving battery power is essential for extending the runtime of trolling motor batteries while on the lake. Employ energy-efficient practices such as using lower speed settings, maintaining a steady course, and minimizing abrupt changes in speed. By this way, you can prolong the usage time of your trolling motor batteries before needing to recharge them.

Upgrading Your Batteries to Lithium Trolling Motor Batteries

If you don't want to charge your trolling motor batteries frequently, try enhancing your trolling motor setup with LiFePO4 lithium batteries which can significantly improve your experience on the water. Here are the key benefits and considerations for upgrading to lithium trolling motor batteries:

Lightweight: Lithium batteries are generally lighter than traditional lead-acid batteries, reducing the overall weight of your boat and making transportation and handling easier. For example, the Redodo 12V 100Ah lithium battery and MINI lithium battery only weigh 22.05 lbs and 19.84 Ibs respectively.

Greater Energy Density: Lithium batteries offer higher energy density, providing longer runtimes and increased efficiency compared to lead-acid alternatives. This means you can stay out on the water for extended periods without worrying about running out of power.

Faster Recharge: Lithium batteries typically charge more quickly than lead-acid batteries, allowing for shorter downtime between uses and enabling you to get back on the water sooner.

Longevity: Lithium batteries offer an extended lifespan and the ability to withstand a higher number of charge cycles compared to conventional batteries, delivering greater long-term value. Redodo lithium batteries utilize automotive-grade LiFePO4 cells, delivering an impressive 4,000 to 15,000 cycles and a lifespan of up to 10 years.

Conclusion

In conclusion, optimizing the methods for charging trolling motor batteries while on the water is essential for an uninterrupted and enjoyable fishing experience. From utilizing solar panels and onboard chargers to portable marine battery chargers, there are various efficient strategies to ensure a constant power supply for your trolling motor.

Additionally, considering an upgrade to lightweight and high-performance lithium batteries like Redodo can significantly prolong your active time on the board. By implementing these charging solutions and exploring advanced battery options, you can enhance your boating experience and maximize your time spent fishing without the concern of battery depletion.

Invest in reliable marine batteries deep cycle today and keep your trolling motor running smoothly for all your aquatic adventures!