Hand-Cranked Door Locks

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Ring Lets a Dial Wake Its Smart Deadbolt After a Dead Battery

Edited by Adam Harrie — October 9, 2026 — Tech
This article was written with the assistance of AI.
Ring is moving into smart locks with a deadbolt that can wake itself after a drained battery, helping homeowners avoid a lockout at the door. Its power dial is turned by hand to generate enough charge to open the lock, eliminating the need for a hidden spare key.

The rechargeable pack is designed to last about a year, so a lightly used home does not require constant check-ins. Through the Ring app, owners can also grant recurring entry to dog walkers, reducing some of the key handoffs that usually come with part-time access.

In daily use, the lock stays simple: a resident can tap a fingerprint reader for quick entry and reach for the dial only if the battery has gone flat. It fits a standard single-cylinder deadbolt and is slated for U.S. sales in early 2027, pending FCC approval.

Image Credit: Ring
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Trend Themes

  1. Self-powered Access — Manual energy harvesting in connected locks points to hardware designs that maintain critical functions when batteries, grids, or backup keys fail.
  2. Battery-fail Resilience — Smart home products with last-resort mechanical charging create new expectations for reliability in security devices that cannot afford downtime.
  3. Temporary Digital Entry — App-based recurring permissions for service providers expand the role of smart locks from simple access control to household logistics infrastructure.

Industry Implications

  1. Smart Home Security — Connected deadbolts with biometric entry and emergency power features raise the competitive bar for residential safety and convenience.
  2. Property Management — Reliable digital access systems support remote turnover, maintenance visits, and guest entry without the operational friction of physical key exchanges.
  3. Pet Care Services — Scheduled smart lock permissions give dog walkers and home service providers a more secure framework for recurring visits to private residences.
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