My Weigh Ultraship Power Supply Adapter for Select Myweigh Sales - Check Compatibility. This adapter is compatible with the following scale models: My Weigh Ultraship 35, My Weigh Ultraship 55, My Weigh Ultraship 75, My Weigh iBalance 500, My Weigh iBalance 1200, My Weigh iBalance 5500, My Weigh Ultra Baby.