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This device is not only a USB power adapter but also a portable charger. it can be used as mobile phone power adapter when there is a socket. After getting the external equipment fully charged, the device will begin to store electricity as a portable charger and can help the mobile phone replenish energy whenever needed.
Southwest Jiaotong University
Chengdu, China
Southwest Jiaotong University
Chengdu, China
Zheyi Wang/Xiao Huang/Wei Lan/Jingquan Hu
