DC Power Variable Supply 30V 5A 4Digital Display Adjustable Regulated Switching Power Supply
- Fan of the power supply will automatically turn on when temperatures reach 50 ℃ .We have limit current protection, thermal protection, voltage overload protection, short-circuit protection..
- When you are unable to adjust the current, it may be because you do not have access to the electronic load. You can turn on an electronic load or form a short connection and then adjust it. You can also contact us.This dc power supply for phone repair,Lab use,battery charge,plating,etc.Voltage can't get above 3.5V-it's supposed to reach 30. This is because the electronic load is not connected..
- Our power supply has a certain degree of professionalism. If you do not know how to adjust the current, please connect to an electronic load directly, so that you can adjust the current directly. It is normal for the power supply to make sound after it has been used for a long time. We call it "howling".It have complete operating protection function,Double potentiometer more precise adjustment..
- If you find that the power supply does not work or the screen does not display after receiving the goods, please contact us immediately and we will give you an unconditional refund. If you have anything you don't understand in the process of use, ....