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To avoid excessive currents during the initial charging of the capacitors inside the inverter, it is necessary to use a limiting resistor. This can be any active load with an appropriate resistance relative to the battery voltage. In this case, I am using 4 lamps connected in series, each rated at 12 volts and 21 watts, which serve as ideal resistance and also visually indicate the moments of capacitor charging and saturation. To avoid excessive currents during the initial charging of the capacitors inside the inverter, it is necessary to use a limiting resistor. This can be any active load with an appropriate resistance relative to the battery voltage. In this case, I am using 4 lamps connected in series, each rated at 12 volts and 21 watts, which serve as ideal resistance and also visually indicate the moments of capacitor charging and saturation. Offgrid Solar Systems 0886444448 Ivaylo Minikov