Battery pack sales doubled after Pokémon Go's release

People really weren't joking about needing extra batteries to play Pokémon Go. Battery pack sales doubled in the US during roughly the two weeks that followed the game's release, according to The NPD Group. It reports seeing a year-over-year growth of 101 percent, with 1.2 million mobile battery packs being sold between July 10th and July 23rd, just days after the game's July 6th release. Continue reading…