The fingerprint lock is convenient to use and avoids the trouble of not taking the key. The first batch of fingerprint locks on the market have been on the market for several years. With the passage of time, people worry about how to unlock the fingerprint lock when it is out of power, and how to power the fingerprint lock. Now Xiaobian will answer these questions for you.

Power supply mode of fingerprint lock:

The power supply mode of the fingerprint lock is mainly internal power supply, that is, it does not need external wires. In general, the power supply mode of the fingerprint lock is mainly the use of No. 5 dry battery power supply and rechargeable lithium battery. With the continuous maturity of technology and the continuous update of products, some large brands gradually start to use the form of rechargeable lithium battery. For example, the common brands favored by consumers such as Philips, Samsung and Romance are rechargeable lithium batteries.

The main characteristics of dry battery are:

1. It is convenient to replace, and can be purchased at the nearby convenience store;

2. Low cost, different brands, basically a few dollars a section.

The characteristics of rechargeable lithium battery are:

1. The cost is on the high side. Generally, the price of a battery is more than 100 yuan;

2. The purchase channel is a little troublesome, and you need to find a lock supplier to purchase;

3. It has a long service life and can be reused for many times. It can be used after it is taken down and charged when it is out of power.

There are two types of power failure:

1、 Normal replacement of battery

Most of the battery positions are on the inside of the door. Some are fixed with screws, and some are directly hung on the button.