According to foreign media reports, in addition to wireless charging, Nokia is also committed to the study of mobile solar charging. It uses photovoltaic panels for electrical energy collection. The weight of the DC-40 is very light, about 93 grams. It is equipped with a 3-meter long 2mm connector cord that can charge Nokia phones. It is alleged that a one-minute charge can provide power to support two minutes of talk. Chuzhou Jincheng Metalwork Co.,Ltd , https://www.jinchengscaffold.com 