The applications of water disinfection and purification are expanding and becomes a driving force of the UVC LED market. One of the growing applications is UV-C embedded water bottle. LEDinside reported in August one model of the UV-C LED integrated bottle offered by an on-line design shop NOERDEN. Soon after that, we found more and more similar products launched in the past two months. In most of the bottles, a UV-C LED module with Li-Polymer battery is equipped with the bottle cap and can be activated to water disinfection by tapping the cap. Th...