One of the main features of the smart umbrella is its solar charging capability. It comes equipped with solar panels on the outer fabric that allows it to charge using sunlight even on overcast or cloudy days. This eliminates the need to manually recharge the battery using a USB cable. The lithium-ion battery has a capacity of 1200 mAh which provides enough power for the basic smart f... https://www.newsanalyticspro.com/shelter-to-the-next-level/