... tablet , ipod , notebook , laptop adapter ,led light , led stript , led products . lead acid , li-ion battery ,etc .Quality control:6 full inspection ... right cables, etc4.Full inspection after burn-in: to make sure every unit with high temperature resistance, with power ,no bomb unit ... , etc 5.Finished products full inspection: to make sure every unit with power, no high voltage, no low voltage, no bad ...