طاقة طوارئ محمولة لحفظ البرد
portable emergency power to save the cold On February 14, a large-scale winter storm swept across the United States. More than 5.5 million households in the United States lost power and at least 47 people were killed. Among them, Texas was the most affected. 4 million people had no electricity at one time and more than 14.9 million people faced water cuts. Although the electricity supply in Texas is gradually recovering, the local people not only have to face nearly [...]