Can I use
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Battery Status API

- CR

Method to provide information about the battery status of the hosting device.

Chrome

  1. ❌ 4 - 36: Not supported
  2. ❌ 37: Disabled by default
  3. ✅ 38 - 130: Supported
  4. ✅ 131: Supported
  5. ✅ 132 - 134: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ✅ 79 - 130: Supported
  3. ✅ 131: Supported

Safari

  1. ❌ 3.1 - 18.0: Not supported
  2. ❌ 18.1: Not supported
  3. ❌ 18.2 - TP: Not supported

Firefox

  1. ❌ 2 - 9: Not supported
  2. ◐ 10 - 15: Partial support
  3. ◐ 16 - 42: Partial support
  4. ✅ 43 - 51: Supported
  5. ❌ 52 - 131: Not supported
  6. ❌ 132: Not supported
  7. ❌ 133 - 135: Not supported

Opera

  1. ❌ 9 - 24: Not supported
  2. ✅ 25 - 113: Supported
  3. ✅ 114: Supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ✅ 131: Supported

Safari on iOS

  1. ❌ 3.2 - 18.0: Not supported
  2. ❌ 18.1: Not supported
  3. ❌ 18.2: Not supported

Samsung Internet

  1. ✅ 4 - 25: Supported
  2. ✅ 26: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 131: Supported

Firefox for Android

  1. ❌ 132: Not supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ❌ 3: Not supported

Firefox 52+ removed access to this API due to privacy concerns.

Resources:
MDN Web Docs - battery status
Simple demo