New and Improved Nortel Call Pilot 100 Call Pilot 150 Voice mail Power Supply 8VDC, 1.5A with Cord, Replaces OEM Model# A10W-08121 P/N A0517863, A0838158 This is the new and improved Call Pilot power supply that is designed better then OEM If your Call Pilot has it's lights working but it's not responding it's most probably your power supply. Works with the Nortel Call Pilot 100 & Call Pilot 150 Sold By, Pictured and Description by Digital Management Communications If you buy this from another seller you are not guaranteed to get the new & improved power supply and may be buying a power supply that has the same problems that the original power supply had.