45W HP Blue Tip Charger For HP Laptops Model 740015-002, HP 840 G3 G4 G5 G6 PSU
Specification: 45W 19.5V 3.31A. Blue Tip: 4.5mm x 3.0mm. HP AC adapter compatible part numbers HP SPECTRE X360 13-4001DX L0Q55UA. HP SPECTRE X360 13-4002DX L0Q56UA. HP SPECTRE X360 13-4003DX L0Q51UA.