Wang Shuo has designed the R Battery concept that resurrects old batteries. The device comes in the form of a D-type battery and provides three slots to hold old AA and AAA batteries. These near dead batteries still hold one last charge in them, and the R Battery intends to use the remaining juice as [...]
Wang Shuo has designed the R Battery concept that resurrects old batteries. The device comes in the form of a D-type battery and provides three slots to hold old AA and AAA batteries. These near dead batteries still hold one last charge in them, and the R Battery intends to use the remaining juice as one large cell. [Yanko]
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