... DC power adapter,18W,24W etc. 2.Precise design performance, OVP,OCP,SCP,Surge vol etc. 1.Design and manufacture PC+ABS material power ... .9.Overall quality reliability test such as loading output,no-loading output,full load efficiency,noise data,short circuit protection, ... aging,temperature shock,drop test,vibration test etc.10.Power Switching Efficiency: >83%.11.Load/no-load output tolerance:3%