Why Do We Get 'Battery Drained' When We're Not Using Our Phones?

Examples

1. Your phone shows a message saying 'Battery Drained' even when you're not using it
2. You leave your phone on the table and come back later to find it dead
3. A game app keeps running in the background while you watch TV

More examples

See also

• Why Do Smartphones Use So Much Battery Just to Stay Alive?
• Why Do Smartphones Use So Much Battery When You're Not Using Them?
• Why Do Smartphones Feel Warm When You Use Them?
• Why Do Smartphones Feel Warm When You're Using Them?
• Why Do Smartphones Feel Like They're Always Running Out of Battery?

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