@engineeramber: HOW SH*T WORKS - Your Emergency Batteries Are Already Dying So nuclear war breaks out, the power grid goes down, and you reach for those emergency batteries you’ve been saving for years. Except they’re dead. Batteries actually lose charge over time, even when you’re not using them, and the chemical reactions happening inside them don’t just magically stop because they’re sitting in a drawer. Here’s how battery self-discharge works, why different battery types have different shelf lives, and why your emergency supplies might not be as ready as you think. #HowShitWorks #BatteryTechnology #EmergencyPreparedness #HowBatteriesWork #TechExplained