Question: are a23 and a27 batteries the same?
Answer: An A23 battery is an 8-cell device with a nominal voltage of 12 V. ... The A23 battery is close in size to the N battery, which has a voltage of 1.25 V to 1.5 V. It is also similar to the A27 battery, which has the same 12 V nominal voltage and almost the same length but is smaller in diameter by about 20% .