1. What is the Inverter Battery Load Calculation?

The inverter battery load calculation determines the current draw (in amps) from your RV's battery bank based on the inverter's wattage output and system voltage. This helps properly size your battery bank and wiring.

2. How Does the Calculator Work?

The calculator uses the basic power equation:

Where:

• \( Load \) — Current draw in amps (A)
• \( RV\ Inverter\ W \) — Inverter output in watts (W)
• \( V \) — System voltage in volts (V)

Explanation: This simple calculation converts power (watts) to current (amps) using the system voltage.

3. Importance of Load Calculation

Details: Proper load calculation ensures your battery bank can handle the inverter's demand, prevents overloading, and helps determine appropriate wire sizes for safety and efficiency.

4. Using the Calculator

Tips: Enter the inverter's continuous output rating in watts and your RV's system voltage (typically 12V, 24V, or 48V). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Should I use peak or continuous wattage?
A: Use the continuous wattage rating for sizing calculations. Peak wattage is only for short surges.

Q2: What's a typical RV system voltage?
A: Most RVs use 12V systems, while larger RVs may use 24V or 48V systems for higher power applications.

Q3: How does this relate to battery capacity?
A: Divide the load (A) by your battery's amp-hour (Ah) rating to estimate runtime (hours).

Q4: Should I include inverter efficiency?
A: For more accurate results, divide the result by the inverter's efficiency (typically 0.85-0.95).

Q5: What about multiple appliances?
A: Sum the wattage of all simultaneous loads before calculating total current draw.