Definition: Given an Amazon customer review, write a title for the review. The preferred titles are under fifteen words.
Input: The battery output power plug does NOT support Dell XPS 13 Ultrabook. When I requested the company to provide me a compatible power plug, they informed that power plug is patented by Dell and, as such, they cannot provide me one. As a result, the battery was unusable and I had to return it.

Energizer XP18000 Universal AC Adapter