Our solar lantern built with a large battery, last about 6-10 hours in Summer, and 2-3 hours in Winter. The charging effect depends on the temperature and the time of direct sunlight, please install the solar lights in a place where can get the sunlight directly. Just turn on the switch button undercover once and the solar garden lights will work automatically, charging during day time and lighting up at night. (The solar panel needs to be exposed to direct sunlight during charging). The solar outdoor lantern jar is made of cracked-style glass and has a unique style of innovation and fashion.