You can connect battery packs in series if they have the same voltage and the same capacity rating. However, do not connect a 6V 10Ah battery with a 12V 10Ah battery.
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A 72V 20Ah lithium battery typically consists of 24 cells connected in series, assuming each cell has a nominal voltage of 3. 2 volts (common for lithium iron phosphate, LiFePO4).
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This paper reviews the working principles, technical characteristics, development status, and existing challenges of major battery technologies, and forecasts their future development trends, aiming to offer a multi-dimensional perspective for further research into electrochemical.
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Clear Answer First: A battery cell is the smallest electrochemical unit that stores energy, a battery module is a group of cells electrically and mechanically integrated together, and a battery pack is a complete power system that includes modules (or cells), protection.
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