... the stability of good quality, at the same time, it reduces the cost of production, which make ... intelligent household uninterrupted power supply.· Full automatic transformer time less than 4ms, even though your computer wont ... function, make sure that in an extremely short time, it will charge the batteries fully. And its ... when it is 90V-280V, it is used for inverter, but when it is 175V-265V, it is ...