Oneda 45W 19.5V 2.31A AC Power Adapter Laptop Charger for HP Chromebook 14-x013dx X010nr X010wm X015wm X030nr X040nr; P/N: 740015-001 002 741727-001 HSTNN-CA40 719309-001 003 721092-001 Supply Cord Input Voltage: AC 100-240V, Total output power: 45W, Output Voltage: DC 19.5V, Output current: 2.31A Improve the service guarantee, Satisfaction guaranteed and backed by a one year replacement warranty. Oneda new high-quality power supply adapter, a good reputation, as has always insisted on manufacturing quality products. Reliable circuit board design: overcurrent, overvoltage, overload, temperature and short circuit protection. Core security components, multiple protection and safer. Comprehensive environmental testing: to ensure the safety of products, apart from the strict implementation of 72 hours aging test, the test must also deal with a variety of physical and destruction, 100% quality assurance testing.