Anker’s Laptop Power Bank came to the rescue of my laptop and smartphone during a recent power outage. They were on the verge of dying, but its pair of retractable USB-C cables powered up my devices so I could keep working remotely. Since then, I carry it with me wherever I go, and it’s bailed me out time and again. If you need a powerful, portable charger, you can buy it for $94.49 ($25 off) at Amazon, Best Buy, and directly from Anker with code WS7DV2RO9DEU, which is about $7 shy of…