World First! Water-powered Batteries in Japan
August 23, 2020
Dry-cell batteries generate electric power from magnetized particles through a slow-acting chemical reaction. Normally the user does not play any role in this process. But Nakabayashi Co., Ltd. has just put on sale “Mizudenchi NOPOPO,” reusable batteries that can be activated by inserting water (plastic dropper provided). Their main advantage is that unlike ordinary dry-cell […]