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How do smart locks get power

smart locks are becoming increasingly popular as a secure and convenient way to control access to homes, offices, or other properties. these locks rely on technology to grant entry rather than traditional keys, and it is very important for them to have a reliable power source so they can operate effectively. in this article, we will discuss how smart locks get their power.

smart locks require power to perform tasks such as authentication of access, communication with smartphone devices or networks, unlocking and locking mechanisms, and other supporting functions such as audio-visual indicators. there are several different methods employed by smart lock manufacturers to supply power to these functions, which are described below.

smart locks get power


Many smart locks use batteries as the primary power source. These could be lithium-ion, alkaline, or others depending on the manufacturer's choice. The most common battery types used in smart locks are AA or AAA size, and some may also have built-in rechargeable batteries. Battery-powered smart locks are popular because they are easy to install and do not require any wiring connections or a power outlet. As long as there is sufficient power in the battery, and the battery life is long enough, the lock will function reliably. However, the downside is the need to change batteries frequently, which can depend on usage frequency.


Some smart locks require a fixed power source via hardwiring to work, although this type is less popular compared to the battery-powered models. An electrical wire connects the lock to the mains of the building, and a transformer provides power to the lock's motor and other equipment. The advantage of a hard-wired smart lock is the constant power supply, which eliminates the need to replace batteries frequently. However, fitting requires an electrical connection which can limit installation choices.

solar power:

some smart locks are designed with solar panels that convert energy from sunlight to power the smart lock. this added feature is eco-friendly by reducing the carbon footprint, but it requires direct sunlight to work effectively. the solar panel will store energy in a rechargeable battery that indirectly powers the lock.

The type of power source used can affect the overall performance and the number of features available on the smart lock. factors such as voltage, wattage, and amperage are considered during design to ensure safe and efficient operation. some related issues to be mindful of include:

battery life:

A significant factor for battery-powered is battery life.