Hotel red door lock

Hotel electronic door lock is an indispensable part of modern hotels, but do you know how to replace its battery? Let's reveal the secret for everyone.

Battery model

Most hotel electronic door locks use No.5 alkaline dry battery, some need 4 sections, some need 8 sections, depending on the door lock design!

Factors affecting battery life

The factors that affect the battery life are frequency of use, battery quality and door lock structure. Because of frequent use, the service life of hotel door locks is generally only 5 months to 1 year.

Battery replacement steps

The battery replacement procedure is super simple: 1. When the power of the door lock is low, unscrew the back cover with a screwdriver in time and take out the old battery. 2. Reinstall the new battery according to the positive and negative directions of the battery slot. Don't forget to put on the back cover and try to see if the door lock is normal.

Million car purchase subsidy

There are millions of car subsidies waiting for you! Come and get a new battery, make your hotel door lock look brand-new and welcome more guests!