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Overview
City Labs, Inc. designs, develops, and manufactures long-life tritium betavoltaic batteries for aerospace, medicine, defense, and more.
News
City Labs Launches World's First Commercial Nuclear-Powered Satellite Aboard SpaceX Transporter-17
Miami, FL - July 7, 2026 - City Labs today announced that its BOHR (Betavoltaic Orbital High-Reliability) satellite, the world's first commercial nuclear-powered satellite and first nuclear CubeSat, has been officially manifested aboard SpaceX Transporter
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City Labs Awarded $1.5M DARPA Contract for Next-Generation Nuclear Battery Technology
Miami, FL May 18, 2026 - City Labs, the leader in tritium nuclear micropower technology, today announced it has been awarded a $1.5 million contract by the Defense Advanced Research Projects Agency (DARPA) under the Rads to Watts (R2W) program. The fundin
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Micropower for Lunar Surface Sensors
Distributed sensor networks are becoming a core component of lunar surface architecture-deployed across wide areas to monitor seismic activity, radiation levels, thermal conditions, and surface interactions. The sensing technologies themselves are mature.
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City Labs Presenting at ANS NETS 2026
City Labs researchers will present three technical talks at the American Nuclear Society's Nuclear and Emerging Technologies for Space (NETS) 2026 conference, taking place on April 27 in Dayton, Ohio. ANS NETS is one of the leading forums for advancing nu
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Choosing Between Nuclear and Lithium Batteries for Subsea Systems
Power selection is one of the most consequential design decisions in deep-sea systems. Unlike terrestrial or short-duration platforms, subsea assets are often deployed for months or years at a time in environments where retrieval is costly, time-consuming
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