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Trolling Motor Battery Life Calculator

Battery Life Formula:

\[ \text{Battery Life (h)} = \frac{\text{Battery Capacity (Ah)} \times \text{Voltage (V)}}{\text{Motor Power (W)}} \]

Ah
V
W

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1. What is Battery Life Calculation?

The battery life calculation estimates how long a battery will last when powering a trolling motor, based on the battery's capacity, voltage, and the motor's power consumption.

2. How Does the Calculator Work?

The calculator uses the following equation:

\[ \text{Battery Life (h)} = \frac{\text{Battery Capacity (Ah)} \times \text{Voltage (V)}}{\text{Motor Power (W)}} \]

Where:

Explanation: The equation calculates how many hours the battery can supply the required power to the motor before needing recharge.

3. Importance of Battery Life Estimation

Details: Accurate battery life estimation is crucial for planning fishing trips, ensuring you have enough power to return safely, and optimizing battery usage.

4. Using the Calculator

Tips: Enter battery capacity in Ah, voltage in V, and motor power in W. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Is this calculation accurate for all battery types?
A: This provides an estimate. Actual runtime may vary based on battery age, temperature, and discharge rate.

Q2: What's a typical battery life for trolling motors?
A: Most deep-cycle marine batteries last 4-8 hours at moderate power, but this varies greatly with usage.

Q3: Should I derate the calculated battery life?
A: Yes, it's wise to assume 70-80% of calculated time for safety margin.

Q4: How does motor speed affect battery life?
A: Higher speeds draw more power, reducing battery life proportionally.

Q5: Can I use this for multiple batteries?
A: For parallel batteries, sum the capacities. For series, sum voltages.

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