Product details of 90W Automatic Universal Laptop Adapter Features: With high efficiency and true voltage output automatically(without operation by hand)Auto-reset to the lowest voltage(+15W) after current interruption to protect your laptop Built-in dual-protection design, constant-current protection, constant-voltage protection,(Including OPP/OCP/OVP/SCP)Interchangeable tips: eliminates the need for multiple adapters now and in futureIncludes:8 interchangeable laptop connectors(including 4 option ones)Status light indicates unit is functioning properly.
