• Suitable for power generation, charging of portable devices such as smartphones just by water and seawater
• A large capacity long-term storage that can fully charge the smartphone 20 times
• Environmentally friendly paper container. After use, it can be disposed of as general waste.
• An environmentally friendly battery that does not generate carbon dioxide or noise during power generation.

https://www.youtube.com/watch?v=ebrObFG9hdg