Are Batteries Heavier When They’re Full? Interesting question that you probably never wondered about…until now. Facebook Prev Article Next Article Cars Checkout these cool gadgets... Related Posts Uber starts self-driving car pickups in Pittsburgh Electric Hypercar: The most powerful production vehicle ever made How Its Made: Tesla Model S Ford’s New Headlights Spot and Turn to Illuminate Hazards at Night New James Bond car revealed How Porsche's 911 PDK Gearbox Works