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
December 25, 2017CountrySafety AttestationSafety markURLAsia Pacific Region Australia /New ZealandNSWhttp://www.dekra-certification.com ChinaCQChttp://www.aqsiq.gov.cnhttp://www.cqc.com.cn Hong KongHong Kong Safety ...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
August 1, 2018At present, the most promising chargers in the charger market are the intelligent digital battery chargers, which are determined by the unparalleled advantages of the electric vehicles. With the advan...view
December 25, 2017DoE VI energy efficiency certification is an energy efficiency VI reports evaluated and issued by U.S. energy department. DoE VI energy efficiency is a standard for electric power resource utilization...view
December 25, 2017UL has announced that since June 20th, 2019, audio and video products, IT products and telecommunication products have to apply for UL certification of the new one UL62368-1 instead of the EN60950-1 a...view