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Karcher WV50 Window Vac Stock Number: ES1373181
This genuine Karcher Window Vac will help get your glass and tile surfaces sparkling clean
When I switch on the motor runs for a few seconds then cuts out and red LED flashes. After 10 seconds it does the same again. If I hold the switch on it still cuts out after a few seconds. The battery shows a reading of 3.4 volts on a meter. If I connect the charger red LED continues to flash.