Elecom says its new sodium-ion power bank can be used in hot and cold extreme temperatures. Andrew Liszewski is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2011, but has loved all things electronic since he was a kid. Accessory maker Elecom has announced what it’s claiming to be the first consumer-ready power bank that uses a sodium-ion battery instead of a lithium-ion one, as spotted by Notebookcheck . In addition to being more environmentally friendly to manufacture, the 9,000mAh Na Plus can be used in extreme temperatures with less risk of overheating, […]