Specifications imum power 90W (also compatible with 65W/45W/33W);Input 100-240V/50-60Hz;Output 19V3.42/4.74A;AC cable length 1.2m;DC cable length 1.5 meters. 28 DC Connector Sizes 7.9*5.0mm;7.6*2.5mm;4.5*3.0mm;4 holes;3 holes;6.0*4.0mm;6.3*3.0mm;5.5*2.5mm white;5.5*2.1mm blue;5.5*1.7mm;5.5*2.1mm tuning fork;5.0*3.0mm;4.8* 1.7mm;5.5*2.5mm black;5.5*2.1mm;4.0*1.35mm;5.5*1.5mm;5.0*2.5mm;4.8*1.7mm;4.0*1.7mm;3.5*1.35mm;3.0*1.1mm;3.5mm audio jack;2.5mm audio jack;2.5*0.7mm;Square nozzle;2.0*0.6mm. Introducing a high quality universal branded power supply unit/charger with 28 plug accessories for almost all laptops and notebooks. Our universal computer power supply is made of high quality materials and certified. Universal laptop chargers are protected against short circuits, overvoltage, overcurrent and overheating, so you can use a universal charger with confidence. Simply set the correct voltage, plug in the appropriate adapter and you're ready to go. Overcharge protection and short-circuit protection ensure safe operation of your laptop.