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What happens if you keep your phone charging after 100?

Published in Phone Battery Health 1 min read

Keeping your phone plugged in after it reaches 100% charge may negatively impact its long-term battery health, especially if you do it frequently while using the phone.

Here's a breakdown:

  • Battery Degradation: Repeatedly keeping your phone charging at 100% can cause the battery to degrade faster over time.
  • Heat Generation: Charging generates heat, and excess heat is detrimental to battery life.
  • "Protect Battery" Feature: Some phones, like certain Samsung models, offer a "Protect battery" feature that limits charging to 85% to prolong battery lifespan.

According to research, keeping a phone connected to a charger (when the phone is already 100% charged) while you are using it may lower battery life if you do it repeatedly. When enabled, the Protect battery feature limits your phone's battery from being charged above 85% to preserve your battery lifespan in the long run.

In conclusion, while it might not cause immediate damage, consistently overcharging can reduce your battery's overall lifespan. Consider unplugging your phone once it reaches full charge or utilizing a battery protection feature if available.