TAG: "wire-free smart tech"
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Fraunhofer ISE Develops Indoor Solar Cells with Over 40 Percent Efficiency

Fraunhofer ISE scientists have achieved over 40 percent efficiency in GaInP-based indoor solar cells, a breakthrough ideal for IoT devices operating under low-light conditions without external power sources.
Wire-free Smart Tech | July 18, 2025 | By EI News Network | 4714
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