... to recrease the voltage;3) power charging current, 10A------50A, ( optional );4) controller includes protection against short-circuit;over -heating ; over ... CPU to protect the wind generator and solar panels8) with RS232, USB (optional )9) with different DC , such as 12V,24V,36V,48V ... ,72V,96V,110V,192V,240V,360V,480V. ( optional )10) high ...