DC/AC car inverter(converter) HBC-A-100VA,150VAHBC-B-200VA,300VA,350VAHBC-C-500VA, ... protective, without noise, and needs nomaintenance3, Supplies low voltage protection to storage cell 10.5V4, Supplies over-frequency, over-voltage or ... short circuit protection to appliances5, The switching ratio is 90% with high instant trouble ...