August 1, 2018Before assembling the switching power with interchangeable plug power adapter, please prepare various components, common tools, and auxiliary materials in accordance with the BOM list. If you use the ...view
June 26, 2018Charging process1. The LED on the circuit board does not light when the power is not connected2. If power is connected to the circuit board, the green LED is on, and the circuit board waits for the li...view
August 1, 2018A 21v charger is judged by the battery voltage level, so how does the 21v charger automatically detect the battery voltage during charging? For example, to detect the battery voltage, we need to open ...view
June 26, 20181. Be sure to learn input voltage range of your power adapter. World's universal AC100 - 240V voltage input is best, so as to avoid that your computer can not be used abroad.2. Be sure to know the out...view
June 26, 2018The American researchers have designed a new material that is expected to be used to make stable, high-capacity lithium-ion batteries, extending more than double the current lifespan of smart phones a...view
July 27, 2019EN60601 Certificate for Power Supply -Xinsu Global More and more certificates are coming......Looking forward to working with customers all around the world.view