... universal universal laptop ac adapter OEM& ODM are welcomed Specification: 90W 19V 4.74A 7.4*5.0 dc connector universal universal laptop ac adapter AC ... sure every unit with power ,without low voltage, without bad led indicator, low ripple, good appearance, with right cables, etc ... no high voltage, no low voltage, no bad led indicator, low ripple, with right cables , no bad ultrasonic bonding, etc ...