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
December 25, 2017At present, the charger is mainly in three stages: constant current charging, constant voltage charging and floating charging, called three-stage charger. Starting charging with 2 amps, the voltage gr...view
August 1, 2018The daily maintenance of the battery and the best golf charger cart charger include charging, adding battery water, cleaning and measuring the specific proportion of battery water.(1) Before charging,...view
August 1, 2018The characteristic of 8.4 v lithium ion battery is that the power density and energy density can be increased to 2 to 3 times that of EDLC. Compared with lithium ion capacitors which designed to incre...view
August 1, 2018The power supplyBefore using, make sure the power supply voltage is 220V and 50Hz. Use special socket as far as possible, must not use a perforated socket, and make sure the socket has ground treatmen...view
December 25, 2017Power adapter first appeared in the mid 1980s. Japanese Toshiba, first used the switching power supply technology in external power supply for laptop. It started a new page in the history of power ada...view