Do dry cells with the same voltage (in volts) have the same diameter and length?
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Do dry cells with the same voltage (in volts) have the same diameter and length? In other words, when buying a battery, does one only need to provide the voltage?
No, dry cells with the same voltage (in volts) do not necessarily have the same diameter and length. Dry batteries of different models and specifications come in various sizes and capacities. Therefore, when purchasing a battery, in addition to its voltage, it is also necessary to pay attention to choosing a battery of the correct size and specifications suitable for the device. .
The original poster probably hasn’t seen batteries numbered 1#, 2#, 3#, 5#, and 7#. These batteries have different sizes, but their rated voltage is 1.5VDC in all cases