HQRP AC Adapter for iRobot Roomba 418/4100 / 4130/4170 / 4220/4225 / 4232 / R3 Power Supply replacement plus Coaster HQRP&reg; AC Adapter with Power Cord plus HQRP&reg; Coaster; Input: AC 100V - 240V; Output: DC 22.5V; 1.25A; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise. 200 days warranty!