Viral sodium-ion flashlight works at -40°F and doubles as a power bank

[Redaktion]

The new "Sodiumfrostglow" flashlight is designed to handle temperatures down to -40°F thanks to its sodium-ion battery, and it can also be used as a power bank. After a successful crowdfunding campaign on Kickstarter, the manufacturer is now looking for backers on Indiegogo.

https://www.notebookcheck.net/Viral-sodium-ion-flashlight-works-at-40-F-and-doubles-as-a-power-bank.1227277.0.html