Maybe; I'm not too sure though.
http://cgi.ebay.com/Apple-Powerbook-180-power-suppy_W0QQitemZ120480036416QQcmdZViewItemQQptZApple_Laptops?hash=item1c0d2b7640
http://cgi.ebay.com/car-cord-for-APPLE-PowerBook-140-180-series_W0QQitemZ110444838649QQcmdZViewItemQQptZApple_Laptops?hash=item19b7067ef9
The former is a wall adapter, the latter is a car adapter.
http://cgi.ebay.com/Apple-Powerbook-180-power-suppy_W0QQitemZ120480036416QQcmdZViewItemQQptZApple_Laptops?hash=item1c0d2b7640
http://cgi.ebay.com/car-cord-for-APPLE-PowerBook-140-180-series_W0QQitemZ110444838649QQcmdZViewItemQQptZApple_Laptops?hash=item19b7067ef9
The former is a wall adapter, the latter is a car adapter.