Devices such as virtual reality headsets include a battery to power the device during use. This disclosure describes a battery enclosure (mount) for a VR headset that includes design elements that improve safety. A plastic enclosure is utilized to mount the battery. A piece of foam is placed between the plastic enclosure and the housing to enable egress of smoke in case of a thermal event. The enclosure is provided with a metal lid to enable battery swell detection. The piece of foam is placed between a user-facing outer surface of the headset housing and the battery enclosure. Three edges of the enclosure form a seal against foam. In case a thermal event occurs, a gap on the fourth side, located away from the user enables egress of any smoke or fumes. The three sealed sides enable smoke to be pushed out, away from the headset and the user.
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Anonymous, "Battery Enclosure for Headset Safety", Technical Disclosure Commons, (March 06, 2020)