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Solar Inverter Size Calculator

Estimate continuous inverter rating and surge capability from connected loads.

This is a planning estimate, not a universal inverter-sizing rule. Confirm appliance startup behavior, voltage, waveform, battery limits, and manufacturer requirements for the selected inverter.

Recommended inverter sizing

2400 W continuous

Required surge capability: 3600 W. Both outputs include the 20% safety margin assumption.

Important assumptions

This is a planning estimate, not a guarantee of performance. Real equipment varies with temperature, age, power quality, duty cycle, wiring, and manufacturer specifications.

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