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At what voltage is a Lithium battery empty?

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The exact voltage at which a lithium battery is considered empty (or fully discharged) depends on the specific type and model of the battery. However, as a general rule, most lithium-ion batteries used in consumer electronics and electric vehicles have a nominal voltage of 3.6 to 3.7 volts per cell and are considered empty when the voltage drops to about 3.0 volts per cell.

It’s important to note that discharging a lithium battery too deeply (i.e., below its recommended minimum voltage) can cause irreversible damage to the battery and significantly reduce its lifespan. Therefore, it’s recommended to recharge lithium batteries before they reach their minimum voltage level to ensure optimal performance and longevity.

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