1.Low failure rate 2.OCP,OCP,SCP 3.100% full load burn-in test 4.CE ROHS certified 5. 13 months warranty 180W switching power supplyAdapter Features:1. Adopts microcomputer CMOS chip to control voltage.2. Original material: import special parts of electronics PWM IC MOSFET SBD3. Housing: special fireproofing ABS+PC plastic;4. 100% compatible with the laptops5. Different AC plug for US, EU, UK and ...