This post is part of our ongoing coverage of TechCrunch Disrupt.

Pi has won Disrupt’s Startup Battlefield. The company is the maker of a wireless charger that can fuel multiple devices within a foot in any direction.

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It beat out five other finalists to take home the $50,000 prize. On?va, the provider of a platform that enables employers to offer elder, infant and child care, was the runner up.

The judges of the final round included high-profile VCs Kirsten Green of Forerunner Ventures, Aileen Lee of Cowboy Ventures and Krishna Yeshwant of GV.

Winning this competition at TechCrunch's flagship event can be a launchpad for small companies jockeying to raise funds from investors. Getaround, the winner of 2011's Disrupt NY competition, was valued at $175 million after a $45 million round earlier this year.

Just participating in the highly competitive Startup Battlefield, for which companies have to apply, can be a stepping stone to growth, according to TechCrunch's tracking of its previous entrants: As of February, the 648 companies that had competed in the event have gone on to raise a total of nearly $7 billion.

We've highlighted all the winners from San Francisco Disrupt since online information platform Qwiki took home the prize in 2010, complete with their fundraising:

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Article by PitchBook