RadianX, formerly California Perovskite Technology, is a Redwood City, California startup that makes ultra-thin perovskite photovoltaic modules for edge energy, turning indoor and outdoor ambient light into power so sensors, wearables, connected devices, e-readers and robots can run longer on smaller batteries or none at all. Its modules are as thin as 0.7 mm and offered as integrated power packages across three platforms - rigid AlphaGlass, semitransparent AlphaVis and the flexible AlphaFlex film still in development - combining perovskite materials, encapsulation and perovskite-tuned power electronics for device makers. The company reports certified 22.3% efficiency on a 1.2 m x 0.6 m module, 38% third-party-tested indoor efficiency, and AlphaGlass certification across all three categories of the IEC TS 63163 consumer-PV standard.
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Nov 5, 2026
Latest raise
Funding activity · 1 round
Nov 5, 2026
$5M
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Led by Twynam
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