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Adapters consume energy, whether the other end connected with appliances or not. Research shows that left plugged chargers contribute to a large quantity of energy waste.
Pull and Push Charger is a way to solve this problem. Unlike traditional chargers, the adapter is placed at the other end of the wire: close to the device rather than the socket. The 2-Section adapter contains a switch responding to the pulling or pushing action when disconnecting or connecting to devices.
YE Feng ZHOU Aobo LI Jianing