Lr44 button cell battery9/13/2023 ![]() ![]() SW may be used in low drain quartz watches without chronograph functions, alarm, or light.S indicates that the electrolyte is made of sodium hydroxide.No letter: means the electrolyte is organic.The additional letters that appear in the designation type (W in this case) are indicative of the electrolyte used: Note: The indicated labels can change over time without prior notice Frequently Asked Questions What Do Letter Suffixes on Cell Batteries Mean?Ĭonsider an example like the SR44W, which denotes a silver-oxide battery. The IEC 6:2021 particularly provides the requirements, dimensions, designation and methods used to test batteries used for watches. IEC 60086-3 is an international standard that defines battery cells using an alphanumeric code format. They're termed "next-generation batteries," given their potential to hold more energy, their safety mechanisms, and potentially reduced cost per unit. In addition to the ingredients packed in the cell, these batteries use oxygen from the air as a depolarizer. Zinc-air batteries have the highest capacity compared to others. Incorrect disposal of the battery pollutes the environment.įor example, the United States, through its Mercury Act of 1996, prohibited the use of mercury in favour of mercury-free alkaline batteries. Mercury-oxide batteries have stable voltage but are no longer used because of their toxic nature. They’re often used in medical instruments and precision devices. Silver-oxide batteries are known for their stable discharge. However, they provide less stable voltage and less capacity than their lithium and silver oxide counterparts. There are four major categories into which cell batteries are grouped: Alkaline BatteriesĪlkaline batteries match other battery types in terms of size. Today, we'll explore button cell batteries, their composition, and the different types. They possess a low self-discharge, which allows them to keep their charge for a long time (especially in cases of inactivity). The negative terminal is insulated and forms the top cap.īutton cells are famous for their longevity.The positive terminal is composed of stainless steel and lies at the bottom.Its diameter ranges between five to 25 mm (0.197 to 0.984 inches), while its height dimensions are between 1 and 6 mm (0.039 to 0.236 inches). It’s a single-cell battery often used to power small devices like hearing aids and wristwatches. Which of the Two Is Better, SR44 or LR44?Ī button cell resembles a button, thus the name.Besides The Type Code, Which Other Marks Should Be Indicated on Cell Batteries?.What Do Letter Suffixes on Cell Batteries Mean?.The Cell Batteries Cross Reference Chart.Bulk buying is a good idea if you wear a battery powered watch every day or run your own watch repair shop. You'll find batteries in packs of two, six, ten, or even bulk packs containing 50 or more cell batteries. When it comes to alkaline batteries, there are button cell batteries from leading brands like Energizer and Maxell. If you find your watch isn't keeping time as accurately as it once did, this is a sign that the battery may need replacing. The LR44 will fit more than just your watch, so they are useful to have around. ![]() The same type of battery will not fit every brand of watch, so make sure you know what is needed before you go ahead and purchase in bulk. You may need specialist watch repair kits and tools to get the watch open, depending on the brand. LR44 batteries are small and circular alkaline batteries that will usually sit just under the back of the watch face. If you know what you're doing, you can save money on exy watch repair fees by purchasing your own watch batteries and doing the job yourself. Replacing a watch battery is a fairly simple process for many watch models. Whether you plan on replacing the battery your self or taking it to a specialist, it's worth having a number of these button cell batteries to hand. Stocking up on spare watch batteries is the sensible option for anybody who takes their schedule seriously. A battery operated watch is not much use once the battery dies and unless you have time to take it to a professional, you're going to have to replace it. ![]() Stay on time with replacement LR44 watch batteriesĮnsure you are always on time for your appointments by picking up a few spare LR44 watch batteries. ![]()
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