90W UNIVERSAL AUTOMATIC NOTEBOOK POWER SUPPLY Features: -USB Port for charging other devices, such as mobile phones etc. -Compatible with 15-20 volts laptop with wattage requirement up to 90 watts. -Double chipset innovation provides constant true voltage automatically with low consumption. -Built with input/output overvoltage protection, input/output overcurrent protection, over temperature protection, overpower protection and short circuit protection. -Innovative connector-designs provide required voltages and polarity automatically. -Included 9 laptop connectors to match most of laptops.