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What Kind of Battery Is an Alkaline Button Battery?

alkaline button

Alkaline button batteries (LR batteries) are small primary batteries that use manganese dioxide for the positive electrode, zinc for the negative electrode, and alkaline aqueous solution for the electrolyte. It is cost-effective and widely used in toys and medical appliances. At present, some major brands in the market, such as Sony, Panasonic, GP and other alkaline button batteries, protect the environment, and the mercury usage rate is 0%. The MICROPOWER brand button battery produced by our company is also environmentally friendly. It has passed ROHS certification and has a mercury content of 0%.

#1-Alkaline Button Batteries Have Very Good Characteristics, as Follows:

battery characteristics

Cost-effective: the cathode material uses relatively cheap manganese dioxide, and the anode uses zinc. Compared with silver oxide button batteries, alkaline button batteries are more cost-effective.

Superior discharge stability and heavy-load pulse characteristics: Even if it is an instantaneous high-current discharge, a stable discharge voltage can be obtained.

Superior liquid leakage resistance: Due to its own structural characteristics, alkaline button batteries have a very low probability of liquid leakage, achieving superior liquid leakage resistance.

The self-discharge rate is very small: it is stored at 20 degrees Celsius for half a year, and the discharge duration after 1 year hardly changes.

#2-What Is the Main Purpose of Alkaline Button Batteries?

purpose of alkaline button batteries

Medical equipment, electronic thermometers, anti-theft alarms, toys, LED lamps and other low-power electrical appliances.

#3-What Is the Principle of Alkaline Manganese Button Battery?

principle of alkaline button battery

The main material of the positive electrode is manganese dioxide, and the active material of the negative electrode uses special treated fine zinc powder. In addition, KOH (potassium hydroxide) can be used as an electrolyte, which can stabilize the supply voltage for a long time. The discharge reaction of the battery is:

The electromotive force shows about 1.50V, and the battery voltage shows a stable and gentle voltage characteristic to the end of discharge, and its characteristic is that the impedance characteristic during the discharge process is also very low.

#4-The Cross-Sectional Structure Diagram of the Alkaline Button Battery Is as Follows:

diagram of the alkaline button battery

#5-Which Types of Alkaline Button Batteries Are Included? What Are the Different Names in the World?

H.KIECGERMANYUSARAY-VACJAPAN
AG0LR63V379379RW327LR521
AG1LR60V364364RW320LR621
AG2LR59V397397RW311LR726
AG3LR41V384384RW37LR736
AG4LR66V377377RW329LR626
AG5LR48V393393RW48LR754
AG6LR69V371371RW315LR920
AG7LR57 395 LR927
AG8LR55V381381RW30LR1120
AG9LR45V394394RW33LR936
AG10LR54V390390RW39LR1130
AG11LR58V362362RW310LR721
AG12LR43V301301RW34LR1142
AG13LR44V303303EW32LR1154

AG3, AG8, AG10, AG12 and AG13 are the most used models.

Carl Zhang

Carl Zhang

I am a senior sales with 15 years in the battery industry and a bachelor's degree in economics.
I will be sharing some of my expertise on batteries and my insights into the battery industry in my blog, which should help you with your purchases in China.

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