Sodium is abundantly available in sea salt, as well as in the crust of the earth. Now, back to that power bank. Elecom's portable puck costs 9,980 JPY (US$67) in Japan, and is available in limited ...

Elecom’s Na Plus power bank doesn’t use lithium and can be recharged nearly 5,000 times. Elecom’s Na Plus power bank doesn’t use lithium and can be recharged nearly 5,000 times.

Elecom’s 9,000mAh sodium-ion battery offers superior safety and longevity The first sodium-ion mobile battery sets new standards but remains costly Retains temperature of -35°C to 50°C in ...