Why do phones still use battery when powered off?

Christine Persaud· Jul 26, 2026 · 4:30 PM UTC ·4 min read · 0 reactions · 0 comments · 17 views

TL;DR · WeSearch summary

News Mobile Smartphones Why do phones still use battery when powered off? By Christine Persaud July 26, 2026 12:30 pm EST Laura Polo/Shutterstock Even though smartphone batteries are getting bigger and more efficient, there's always that inevitable event when you get a low battery notification at the worst possible time. You might think powering down the phone entirely is a way to make your smartphone last longer.

Key facts

▪News Mobile Smartphones Why do phones still use battery when powered off?
▪By Christine Persaud July 26, 2026 12:30 pm EST Laura Polo/Shutterstock Even though smartphone batteries are getting bigger and more efficient, there's always that inevitable event when you get a low battery notification at the worst possib
▪You might think powering down the phone entirely is a way to make your smartphone last longer.

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Engadget files mainly under tech. We currently carry 439 of its stories.

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Engadget · Christine Persaud

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Record

Original publisher	Engadget
Canonical URL	https://www.engadget.com/2219830/phone-battery-powered-off-explained/
Publication time	Sun, 26 Jul 2026 16:30:00 +0000
Retrieval time	2026-07-26T16:33:12.377Z
Last seen	2026-07-26T16:33:12.377Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	7-0zN2Foh3aG
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reason	Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

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WeSearch handling by dimension

Indexing	May the item be indexed (stored, ranked, made findable)?	Allowed
Snippet	May a short excerpt of the publisher's text be shown?	Allowed
AI summary	May WeSearch generate its own short summary of the article?	Limited
Retrieval / RAG	May the content be exposed for third-party retrieval-augmented generation?	Not asserted
Model training	May the content be used to train AI models?	Not asserted
Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

News Mobile Smartphones Why do phones still use battery when powered off? Your battery is continually losing charge. By Christine Persaud July 26, 2026 12:30 pm EST Laura Polo/Shutterstock Even though smartphone batteries are getting bigger and more efficient, there's always that inevitable event when you get a low battery notification at the worst possible time. You might think powering down the phone entirely is a way to make your smartphone last longer. But like with any battery-powered device, a phone's battery will slowly deplete when you're not actively using it, and even when it's completely powered down. Of course, the battery drains much more slowly when turned off, so it's not a bad idea to power down the phone to conserve battery.

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Excerpt limited to ~120 words for fair-use compliance. The full article is at Engadget.

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