I have no key to open my electronic door lock with completely dead batteries.

If your electronic door lock‘s batteries are completely drained, and you don’t have a physical key, it may seem like you’re stuck. However, there might be a few solutions:

1. External Battery Terminal: Some electronic locks have an external battery terminal. This allows you to temporarily connect a 9V battery, which gives the lock enough power for you to input your code and open the door. This terminal is typically located on the bottom of the lock and is intended for use with a 9V alkaline battery.
2. Emergency Key: Some models of electronic locks also come with a physical key that can be used in emergencies. The keyhole is often hidden under a faceplate for security reasons.
3. Contact the Manufacturer: If you’ve lost your key and your lock doesn’t have an external battery terminal, you may need to contact the manufacturer. They may be able to guide you on what to do next.
4. Call a Locksmith: If all else fails, you may need to call a locksmith. They have the tools and knowledge to unlock most types of locks without causing significant damage to the door or the lock itself.

For future reference, replacing the batteries as soon as you see any sign of them being low is essential. Some locks have low battery indicators, while others might behave erratically or dim their keypad light. Always have a set of spare batteries handy.

Also, storing a physical key safely can be a lifesaver when the battery drains unexpectedly. If your lock comes with an emergency key, keep it in a secure and easily accessible location.

Please remember your safety is important, so if you’re locked out and need immediate assistance, please contact a local professional or emergency locksmith service.

Finally, if you can not open your electronic door lock with the above method, check out this article: How to Open Electronic Door Lock Without Key? Nine Easy Tips.