A dynamo is available that works directly from the battery, 12 volts. It works directly from 200-watt panels. It works from the car battery without a converter. It lifts up to 15 meters. It lifts one and a half cubic meters per hour. The price is 320 including shipping to all cities and villages. ( Phone number appears when clicking the contact button ) 3 3 6 0 6 8 8 9 5 0