This whitepaper explores how solar power is reshaping watch and wearable design by reducing dependence on battery replacement while supporting greater functionality. It traces the evolution from mechanical and quartz watches to solar-powered and connected timepieces, then explains why higher-efficiency photovoltaic technology is now critical for compact devices with rising power demands.
The paper highlights Lightricity’s advanced indoor photovoltaic technology, including its use in Ressence’s Type 2 eCrown® watch, where custom solar cells help power connected features within a constrained design space. It also introduces Lightricity’s LightBox Indoor Light Simulator, developed to provide accurate, repeatable testing of indoor solar cell performance across a wide range of light levels.