Updated
Updated · Tom's Guide · Jun 22
AI Features Drain Smartphone Batteries Faster, Cutting Daily Runtime
Updated
Updated · Tom's Guide · Jun 22

AI Features Drain Smartphone Batteries Faster, Cutting Daily Runtime

3 articles · Updated · Tom's Guide · Jun 22

Summary

  • On-device AI tools are shortening smartphone battery life by adding steady background workloads, from notification summaries and photo analysis to transcription and voice assistants.
  • That drain comes from constant processing or cloud communication: phones keep indexing data, listening for wake words and preparing instant responses even before users tap a feature.
  • iPhone users can curb the hit by reviewing Apple Intelligence options, Siri Suggestions, Background App Refresh and live transcription settings; Android users can check Gemini permissions, "Hey Google," AI photo processing and battery optimization controls.
  • Battery-usage reports on both iPhone and Android can show whether an AI assistant, photo app or productivity tool is the main culprit, though the problem is often several AI services running at once.
  • The broader trade-off is that smartphones marketed around smarter, always-available AI may deliver convenience at the cost of noticeably less daily battery endurance.

Insights

Beyond your phone's daily drain, what is the hidden environmental cost of our 'always-on' AI assistants?
AI is killing your phone's battery. Could this same tech also be the key to creating batteries that last for days?
New silicon-carbon batteries promise a fix for AI battery drain. Should you wait for them or disable features now?