Why We Deliberately Crush Lithium Batteries (UN38.3 Crush Testing Explained)
Bruce Zhang
Every year, millions of lithium batteries travel across the world inside electric vehicles, e-bikes, power banks, laptops, and drones. Most of them arrive safely. But when a battery gets crushed — whether in a car accident, a shipping container, or even from being dropped or hit by something heavy — the situation can become dangerous very fast. This is why the UN38.3 crush test was created. UN38.3 is the United Nations regulation that lithium batteries must pass before they are allowed to be tra