松下 lr44 电池 1.5 V 一次性电池

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What to Consider When Buying Single-use Batteries? 

Panasonic is a brand known for making reliable batteries, both rechargeable and single use batteries. The batteries this brand produces are known for their long overall lifespan as well as their long shelf life. The LR44 is a small single use battery that produces 1.5V of electricity. They are very compact and they have a flat round shape that looks somewhat like a button. This small battery can be used to power a wide variety of devices and with a long shelf life, you can stock up on the LR44 so you always have a battery on hand if you need one. 

What Type of Power do Panasonic LR44 1.5V Single Use Batteries Use?

The LR44 Panasonic battery is an Alkaline battery. 

  • Alkaline batteries get their power from a chemical reaction between zinc dioxide and manganese dioxide that takes place within the battery itself. This type of reaction creates electricity which is released at a consistent, controlled rate through the positive and negative ends of the battery. 
  • The outsides of the Alkaline battery are steel plated so that they conduct electricity. They begin to release power when then both sides, or the positive and negative ends, of the battery are connected to a circuit. 

What Types of Devices do Panasonic LR44 1.5v Single Use Batteries Power? 

Several different types of devices work with the Panasonic single use LR44. 

  • These small alkaline batteries are used in many types of watches. The LR44 is small enough that it can fit inside the casing of many common men's and women's battery powered digital and analog watches.
  • The LR44 can also be used in calculators or in key fobs for cars. These alkaline batteries also work in many small LED flashlights, as well as some children's toys. 
  • This type of battery works in some medical devices as well. Some types of hearing aids take these batteries, as do many different digital thermometers. 

How Long do Panasonic LR44 1.5v Single Use Batteries Last? 

The overall lifespan of these alkaline LR44 batteries depends on what devices they are used in, and how often they are used. 

  • When stored at room temperature in their original packaging, this type of alkaline battery has a shelf life of between five and seven years. 
  • When the LR44 is used in a hearing aid or similar medical device, these batteries can last up to 22 days. 
  • In a low drain device such as a watch or the key fob for your car, these batteries can last anywhere from a few months, to well over a year, depending on how often you use the device.