Xedge Launches NoxTi Tri Titanium Tritium Keychain
The titanium device uses three tritium tubes to provide a passive light source that glows for 25 years without recharging.
Updated on Oct. 29, 2026 in Semiconductors
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Xedge has announced the NoxTi Tri, a titanium keychain designed to house three tritium vials for long-term illumination. The product, currently being crowdfunded, operates on the radioactive decay of tritium rather than external charging.
Why it matters
This device leverages the radioactive half-life of tritium to provide a continuous, multi-year light source for outdoor gear or emergency signaling. It highlights the use of specialized materials and radioactive isotopes in consumer-grade EDC (everyday carry) hardware.
The device features a titanium housing weighing 15.8 grams and supports three tritium vials, with green tubes performing at five times the brightness of red counterparts. While the glow lasts 25 years, the system retains only 25% of its initial brightness by the end of that period.
The players
Xedge
A developer of specialized everyday carry hardware that focuses on titanium construction and isotope-based illumination tools.
The details
The NoxTi Tri uses a self-contained luminescence process where beta particles from decaying tritium excite a phosphor coating inside glass tubes. To protect these brittle sources, the internal architecture integrates a silicone cushion and a spring-loaded retention system within the titanium frame. Users manually insert their own tritium vials or photoluminescent tubes into the chassis to customize the light configuration.
Timeline
April 2026: Xedge successfully funded its original tritium keychain on Kickstarter.
October 2026: Xedge revealed the new NoxTi Tri keychain design.
The Tech Race
This development brings professional-grade radioactive luminescence into the competitive market for high-end tactical accessories. It follows a trend of miniaturizing aerospace-grade materials and long-life isotope technology for the enthusiast EDC sector.
The NoxTi Tri is available through a crowdfunding campaign at an early-bird price of $35 or a standard $39, excluding the $59 cost for the required tritium tubes. Users should note that the device requires manual assembly of the glass tubes into the titanium chassis upon receipt.
The takeaway
The NoxTi Tri illustrates how isotope-based power sources can provide decades of illumination without battery reliance. Prospective users should track the current crowdfunding phase to monitor shipping timelines and assembly requirements.
Further reading
For more on the latest developments in materials and hardware, visit our Semiconductors section.
Source note: This article includes information reported by Notebookcheck.
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