A clever wordplay on "filevault", this name would suit any service or app related to the storage of files. It is easy to spell, easy to remember, and has obvious opportunities to be developed into a brand through use of the electricity metaphor.
The name "filevolt" has eight letters and three syllables. Three syllable names are used by established brands like Adidas, Adobe and Grammarly.
Filevolt.com is a dot-com domain. Dot com domains are the most prestigious top-level-domain in the world, famously used by websites like twitter.com. When most people think of a website, they think of a dot-com.
This domain was first registered in May 2014. Older domains have an advantage when ranking in search engines.