Wonderful

The voltmeter's response time improved, with one reading taking 2 seconds initially, now reduced to 1 second, though still slow. The voltmeter is well-made and accurate, showing a -0.2 volt deviation. When a charger is connected, the accuracy decreases to 0.4 volts. When charging a Xiaomi Mi9T Pro at 50% the power consumption is 7.3 Watts, which is less than the advertised 12 Watts, but acceptable. Overall, the product is recommended for its price.

The shipment arrived quickly in Poland. The product is of very good quality. The communication was very good. Everything matches the seller's description.

The second manual yields two outputs, each equal to 2.4. The total output is not 4.8.