You can see silver oxide equivalent batteries maintain a higher voltage longer. Some electronics which require a certain voltage to operate such as a digital caliper, will fare better with a silver oxide battery.Ĭompare the following voltage discharge graphs. If you are just using the battery for some toys, blinking lights, or a calculator, an alkaline might suit you better. The differences are the price, battery life, and voltage. Alkaline LR44 batteries are cheaper, but which one should you use? But with the price of silver going up, they are getting more expensive all the time. So if you are buying from a big box retailer, you will only probably find 357 or 303 Energizer or Duracell batteries. These days, brand name batteries are mainly selling silver oxide equivalents.
#Lr44 battery equivalents how to#
Prices can range among equivalent batteries and knowing how to compare specifications will make you better informed for choosing one. So now you know the equivalent names, but even though the size is the same, they may not be exactly alike. Generally, if it lists any alkaline name, then the batteries are alkaline and not silver oxide. Many generic packages will list both AG13 and 357 on the label, which are different battery chemistries. The most common silver oxide equivalents are: LR44 can be also be replaced with a silver oxide battery. The most common equivalent batteries are: Note: CR/BR (Lithium) battery types are 3.0 Volts.This is a guide to the several equivalent LR44 batteries so you know which one to buy. This mistake in the handbook appears across several different models of Casio solar calculators.
The handbook is wrong! The replacement for the National GR927 is the 399 silver oxide battery and not
If you are replacing a National GR927 battery in a Casio calculator please note that your calculator handbook is likely to say that Watch battery suffixes read our All About Watch Batteries write up. You shouldĬheck that your application will not be affected by the slight increase in battery voltage which will result in using a silver oxide watch batteryįor further information about watch batteries their chemistry, numbering, watch battery prefixes and Mercury watch batteries are no longer manufactured so your only alternative is to use a silver oxide watch battery of the same size. The battery numbers in blue text are links to more information on the particular battery and will take you to a page where you will be able to order the battery. Watch battery, even if the sizes are comparable. Note, that the lithium watch batteries, or button cells, are 3 volts, not 1.5 volts and cannot be substituted for a 1.5 volt silver oxide watch battery or alkaline
This will give you an idea of which watch battery to choose if you do not have a watch battery cross reference number to match the battery against. The Watch Battery Cross Reference table can be sorted by watch battery size, either by selecting the watch battery diameter, or the watch battery thickness Numbers as used by various different watch battery manufacturers. The Watch Battery Cross Reference Table below gives all Watch Battery sizes and their equivalent replacement watch battery reference
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