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Smart Lock Out of Power? Here’s the Easy Way to Get Back In

2025 / Jun / 03

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What if your smart lock runs out of power? Here's a simple trick to unlock it !

 

Product Line: Power Bank
Application Scenario: Smart Lock Battery Dies

 

These days, more and more families are switching to smart locks for the added convenience, which lets you unlock your door using a fingerprint, password, or even a keycard. No more worrying about lost or forgotten keys! But what if your smart lock suddenly runs out of battery and you find yourself locked out? Don't panic! This article will show you a simple trick to easily get back inside!

 

Emergency Power with a Power Bank

Many smart locks, like the PHILIPS 7300, come with a micro-B USB or USB-C port for emergency power. If your lock dies, you can simply plug in a power bank to provide temporary power and unlock it.

 

To be fully prepared, it's a good idea to carry a lightweight power bank that has both micro USB and USB-C cables. This way, you'll be ready for almost any electronic lock, no matter the port type. For example, the Silicon Power QP75 power bank is a convenient option as it includes both cable types.

 

Video source: QSD Smart Lock China Factory

 

Other Ways to Unlock a Dead Electronic Lock


Besides using a power bank, here are a couple of other methods that can help. Some models have metal contacts where you can use a 9V battery to temporarily power the lock, and these batteries are easy to find at most convenience stores. 

 

Additionally, many smart locks come with a traditional keyhole and a backup physical key. Just make sure to store the key in a secure, accessible place outside your home for emergencies.

 

FAQ

 

 

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