Perovskia Solar is a Swiss scale-up building custom-shaped, digitally printed perovskite photovoltaic cells that harvest energy from indoor light (and mixed indoor/outdoor use) to power ultra-low-power electronics like IoT sensors, electronic shelf labels, and wearables, with the goal of reducing or eliminating disposable batteries in deployed devices. https://perovskia.solar/technology/
In the demo, the core idea is simple: pair a thin perovskite PV “patch” with low-power hardware, then add a small energy buffer so the device keeps running through darkness. The e-paper-style table display uses a black PV region as the generator, and Perovskia describes variants using either a supercapacitor or a rechargeable battery so the device can survive about a week without light, while still targeting multi-year maintenance intervals. They also show form-factor flexibility for wearables (a smartwatch-style power concept), an electrochromic display concept for electronic labels, and a UV-exposure wearable feeding data to a phone app for personal exposure tracking and backup.
What makes this more than a lab story is the manufacturing narrative: a sheet-to-sheet inkjet printing process on glass with automated handling, positioned for mass customization rather than one fixed panel format. The company points to a production facility in Aubonne near Geneva and talks about throughput on the order of 1,200 substrates per hour, with capacity claims around roughly a million device-sized units per year, which aligns with the “many SKUs, many shapes” reality of IoT product design. This segment was filmed at CES Las Vegas 2026, but the focus stays on industrialization rather than a concept-only pitch there.
They also frame a roadmap beyond indoor harvesting: partnering toward perovskite-silicon tandem modules for outdoor generation, where the business case is competing on efficiency and energy yield as silicon module pricing keeps compressing. On durability, they cite extended operation testing (over 8,000 hours under full sunlight with no measured performance loss), plus environmental testing from about −40°C to +85°C, and a target to push usable lifetime toward 25 years so bankability starts to look like conventional PV today.
Commercially, Perovskia describes active customer work across the US and Europe (and at least one in India), alongside fundraising aimed at scaling deployments from pilots to products you can actually order in volume. The interesting technical tension is the one the whole perovskite field faces: stability, encapsulation/barrier stacks, qualification standards, and long-term trust, especially when moving from indoor lux-driven harvesting to outdoor UV/thermal stress. Their angle is to make perovskite PV behave like a “printed component” that engineers can spec into devices the same way they’d spec a sensor or display, and to make battery-free maintenance a default option where it makes sense here.
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