Views:16 Author:Site Editor Publish Time: 2020-06-19 Origin:Site
How to test the power level
In the long run, it is necessary to buy an electronic instrument with a DC clamp meter, as shown in the figure。
This DC clamp meter can not only accurately test the working current, but also test the voltage with a test lead. Front end
The pliers are clamped on the positive red line of the battery to test the working current. Use a test pen to weld the positive and negative electrodes of the battery
Click to test the voltage.
Voltage x current = power