1. What is Inverter Load Time?

Inverter load time refers to how long a battery can power a specific electrical load when connected through an inverter. It's crucial for planning backup power systems and understanding battery capacity requirements.

2. How Does the Calculator Work?

The calculator uses the following equation:

Where:

• \( Battery\ Ah \) — Battery capacity in amp-hours
• \( V \) — Battery voltage in volts
• \( Load\ Watts \) — Power consumption of the connected load in watts

Explanation: The equation calculates how long a battery can sustain a given electrical load by dividing the total energy capacity (Ah × V) by the power consumption rate (Watts).

3. Importance of Load Time Calculation

Details: Accurate load time estimation helps in designing backup power systems, selecting appropriate battery sizes, and managing power consumption expectations during outages.

4. Using the Calculator

Tips: Enter battery capacity in Ah, battery voltage in V, and load power in Watts. All values must be positive numbers for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Does this account for inverter efficiency?
A: No, this is a theoretical calculation. Actual runtime may be 10-20% less due to inverter inefficiency and other factors.

Q2: What's a typical load time for home appliances?
A: A 100Ah 12V battery running a 100W load would theoretically last 12 hours (100×12/100), but practically about 10 hours.

Q3: Should I fully discharge my battery?
A: No, deep cycle batteries should typically not be discharged below 50% capacity to prolong battery life.

Q4: How does battery age affect the calculation?
A: Older batteries have reduced capacity - you may need to multiply the result by 0.7-0.9 for aged batteries.

Q5: Can I use this for multiple appliances?
A: Yes, but you must sum the wattage of all simultaneously running appliances for the Load Watts value.