... , TV, air-conditioner, washing machine, motor and so on2.Completely controlled by CPU, and it is unique throughout the world, when you ... (optional) 4.With charger built-in. The charger is controlled by CPU, charging current for 500W-1000W is about 10A --- ... Protections against output short-circuit; against overload, high voltage and low voltage protection , over heating protection,battery anti-polarity ...