Wattage: 500W
Features
ISI-500: Built-in MPPT Solar Charger Square Wave Output Mechanism
ISI-501: Built-in MPPT solar charger sine wave output model
It has the ability to withstand 200% output instantly
The ISI-500 series comes with a 2-year warranty; The ISI-501 series comes with a 3-year warranty
Wattage: 500W
Features
ISI-500: Built-in MPPT Solar Charger Square Wave Output Mechanism
ISI-501: Built-in MPPT solar charger sine wave output model
It has the ability to withstand 200% output instantly
The ISI-500 series comes with a 2-year warranty; The ISI-501 series comes with a 3-year warranty

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