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DARPA’s “Rads to Watts” selects seven teams to develop long-life miniature nuclear power cells

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DARPA’s Rads to Watts program is funding seven competing teams to create a new class of miniature power cells intended to run for years or decades without recharging. The effort targets breakthrough pathways to deliver compact, persistent energy for defense-relevant systems.

Discovered 2026-07-29T05:14:41.930213-07:00 | 2026-07-29T05:14:41.930213-07:00

Briefing

What Hype is tracking

  • Long-duration, recharge-free power is a core enabler for persistent defense applications, potentially reducing logistics burdens associated with battery replacement or resupply.
  • The program’s competitive multi-team structure signals where DARPA sees near-term technical pathways for compact nuclear energy—information that can influence supplier and partner roadmaps.
  • If successful, miniature power cells could shift system design constraints (size, weight, power and endurance) for platforms that cannot reliably carry conventional power sources.

Reported By

Breaking Defense
Sources Tracked
1
First Seen
2026-07-29T05:14:41.930213-07:00
Latest Update
2026-07-29T05:14:41.930213-07:00
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Defense

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