HQRP AC Adapter/Charger / Power Supply Compatible with Panasonic KX-TGA272 KX-TGA272S KX-TGA273 KX-TGA273S Cordless Phone Base Unit + HQRP Coaster HQRP&reg; Base Unit AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: DC 9V, 500mA; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 100% Compatible with Original AC Power Adapter; 1 Year warranty!