Which battery has a similar voltage to three lithium batteries in series?

When examining the voltage of lithium batteries, it's important to recognize that standard lithium-ion cells typically have a nominal voltage of about 3.7 volts per cell. When three of these lithium batteries are connected in series, the total voltage is calculated by summing the individual voltages.

So, for three lithium cells in series:

3.7 volts (per cell) × 3 cells = 11.1 volts.

The closest standard battery voltage to 11.1 volts among the options provided is 12 volts. Therefore, a 12-volt battery would have a voltage similar to that of three lithium batteries connected in series.

In this context, the correct answer should be identified as 12V. Understanding this principle of voltage addition in series connections is crucial in electrical engineering and ensures the proper application of batteries in various systems.