Why Do Smartphones Get Hot When You Charge Them?

When you charge your phone, electricity flows into the battery like water filling up a glass. But sometimes, the battery gets too full and can’t handle all that extra energy, it feels like the glass is getting warm or even hot. This happens because of a little chemical reaction inside the battery.

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Examples

  1. Your phone gets warm when you charge it while playing a video game.
  2. It feels hot if you leave your phone on all night while charging.
  3. Your phone might even get too hot for you to hold if you charge it quickly.

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Categories: Technology · smartphone· charging· battery technology · Text is available under the Creative Commons Attribution-ShareAlike License.