1.Long service life 2.18.5V-3.5A,Voltage stability 3.Factory price 4.Within 2 days after your payment. 5. CE ... , NC4400, TC4400, B1200, B1800 and B1900Output voltage:18.5VOutput current:3.5AOutput connector:7.4*5.0Advanges:1.With high-tech design ... and production. 2.Long service life. 3.With voltage stability. 4.With good heat dissipation . 5.Intellignt protection against over-current ...