no-load voltage of the battery multiplied by its rated output current.
amount of Ampere-hour (Ah) that a fully charged battery can supply.
intensity withstood by the battery during charging.
number of cycles (charging and discharging) that a battery can withstand without deterioration of its cells.
If two identical batteries are connected in parallel the output voltage will remain the same and the capacity expressed in ampere-hours will double. On the other hand, if the batteries are connected in series, the capacity will remain the same, but the output voltage will double.
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