Yes. I had a 23A, 12V, battery for my ceiling fan and replaced it with an A23, 12V, battery, and it worked just fine.
The 23a battery is a short and thin battery. Round in shape, there are 12 volts of power in this little battery. The most common use for the 23a battery is in keyless remote starters for automobiles. Other uses include bark collars for dogs and other small electronic devices. This is a common type of battery that is fairly inexpensive and easy to find.
If the "A" in 23A refers to ampere (in which case it would be written in uppercase), then no; voltage and current (the number of amperes) are unrelated to one another.If 23a is the model number of the battery, you would just have to check the specifications of the battery (it should normally have a metal plate with the specifications on it), to check whether the voltage is 12 volt. Car batteries usually have a voltage of 12 volts.
12 volt battery chargers, gel cell and solar, come with a money back guarantee and will not void or affect manufacturers warranties. They are used for lighting.
Turn the Remote over and remove the philips screw. Inside you will see the battery. The battery is a 23A 12v. It is a common battery to be found in most drug and electronic stores. Might find it at the grocery store.
The batteries you are looking for can be purchased anywhere and do not need to be special ordered. Some retailers I know of are Radio Shack and amazon.com.
I suggest an electronics store such as Best Buy or HHGREGG, but if you can find one in your area, I strongly suggest looking into a Batteries Plus store.
22A or 23A
HOW BIG IS THE BATTERY?
23rd August St George's Day
23 is prime.
The Electric Company - 1971 23A 5-23 was released on: USA: 19 November 1975