Why do batteries always die at the worst time?
The Real Answer
Batteries don't actually have a preference for timing — you simply notice it more when it happens at a bad moment. This is called the spotlight effect combined with confirmation bias. You've probably had your phone die hundreds of times, but you only remember the instances that were inconvenient (during an important call, while navigating, in an emergency). The bad-timing moments stick in your memory while the forgettable deaths fade away.
Your phone dies at 2% battery on a highway with no exit in sight, and somehow you blame the phone instead of the fact that you've known for three hours it was at 12%. You watched it happen in real time and did nothing. The phone is just the most recent thing you ignored until it stopped working.
Why People Ask This
This question emerges from a genuine pattern-matching failure in human brains. We're wired to notice and remember negative outcomes, especially ones that disrupt plans. Your phone dying while you're streaming music at home is forgettable. Your phone dying during a job interview is unforgettable — so you start to believe batteries have a vendetta against you specifically.