We have replacement AC power adapters for Compaq Prosignia laptop models at the best prices. If you're looking for a Prosignia 150, 170 or 190 model laptop power supply, then look no further because we have them. Our laptop charger replacements are made to meet or exceed the original standards and specifications of the original laptop power adapter or Compaq laptop battery. Enjoy worry-free shopping with our 30-day guarantee and 1-free replacement warranty. That's right, if you buy one of our Compaq Prosignia AC adapters and it fails during the first year you get a free replacement laptop power adapter.