Replacement for HP TPN-LA27 Power Supply/Adapter 20V 14A 280W With Free Power Cord Replacement For HP TPN-LA27 Charger Warranty 12 months Input AC100-240V Output DC20V 14A Power 280W Connecter size 4.5*3.0mm Item Includes AC Adapter and Power Cord replacement HP TPN-LA27 laptop ac power adaptor is rated at 20V/14A 280W. The power supply for hp tpn-la27 is 100% Compatible, Meets or Exceeds Original Specification.