The deal, with Norway’s Vianode, is for delivery of a material critical for electric-vehicle batteries, the companies said ...

General Motors aims to boost EV profitability with its deal with Norway-based graphite manufacturer Vianode for battery ...

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.