I thought of something like this before but then what do I know about inventing stuff? This is just a concept which I want to become a reality soon: USB-powered battery. Sure, rechargeable batteries are already available but it would be more efficient if you can easily plug them to a computer or laptop via the USB port.

The continuance battery is designed by Haimo Bao, Hailong Piao, Yuancheng Liu, and Xiameng Hu as an entry to the International Forum concept design award.

[Link]

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