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Use Duracell alkaline batteries
Alkaline batteries, also known as alkaline dry batteries, alkaline zinc-manganese batteries, alkaline manganese batteries, are the best performance in the zinc-manganese battery series. Suitable for large discharge of power and long time use. The internal resistance of the battery is low, so the current generated is larger than the general carbon battery, such batteries because they do not contain mercury, so they can be disposed of with domestic waste, without deliberate recycling. Note: Electrolyte leakage Alkaline batteries placed for a long time will leak the electrolyte, because the electrolyte is corrosive
You can use Nanfu batteries, but the millet door lock can not use ordinary Nanfu batteries. Buy leak-proof batteries so they don't spoil the locks. It is recommended to use the smart door lock special Nanfu i master battery, more safe.
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Fingerprint combination lock generally uses 4 5 alkaline batteries. Generally, it can be used for about one year (depending on the function, power consumption design, the number of uses, etc.). According to industry standards, the production of anti-theft fingerprint lock should be equipped with an emergency power supply interface, which can be externally supplied with 9V laminated batteries.
My answer is this, millet smart lock battery change millet brand good, because millet brand battery has a special battery for smart lock, this battery power reserve is very large, under normal circumstances, change the smart lock within a year without replacing the battery, saving a lot of trouble, so I think millet smart lock battery change millet brand good
Batteries, just change them. Don't worry about it. Is the manufacturer out will not have any impact, rest assured to use it. I can only say that its battery is used for a long time, generally not how to change, because it is not particularly high frequency of use. You can't change it more than a few times a year. So it's okay to choose a slightly better battery, and it won't cost you much.