Battery Pack Sales Have Doubled Since Pokémon Go Arrived

If you've been playing Pokémon Go during the last few weeks, chances are that you've learned one of the key lessons surrounding the infectious app: take an extra battery with you, no matter where you go. The constant use of GPS and motion sensors has become an essential requirement for your Pokémon hunt. As a logical consequence, external battery packs are experiencing a surge in sales -- despite the app's battery saver mode. According to NPD, 1.2 million portable battery packs were sold in th...