We know more about Technical Gadgets.
Battery.Family – concept is a universal composite battery, design similar dolls, which can be converted into a type D, C, AAA, and aa.
Battery.Family – a concept that works on the principle of nesting dolls, where smaller AAA battery fits into the larger AA etc. The extent practicable get this project for different batteries, you decide, but the idea is worthy of consideration. We have seen many attempts to make a universal battery, but the simplicity of this project is really amazing.
Designers: Soohwan Kim, Junho Yoon, Dohoon Lee & Hyojin Park
Concept solar battery
Concept of solar panels
Concept device Just Flex It
Power Snap Battery Fastener