Your case features either an OLED display or LED indicators depending on the model:
Uno all-in-one iPhone 15 and 16 Pro Max cases (OLED display above the solar panel):
Shows real-time solar input in mA to help you find the best angle when solar charging.
Displays the case battery level, indicating how much backup charge is available.
Uno all-in-one iPhone 15 and 16 Plus, and Uno and Duo Modular cases (LED display below the solar panel):
Bright blue LEDs indicate battery levels.
Red LEDs indicate real-time solar collection and energy levels.
For the full icon key and display guide, download the Quick Start Guide from our Downloads page.