The minimum voltage of a 3.7V lithium battery.
2025-02-13
The minimum voltage of a 3.7V lithium battery is 2.75V, and the over-discharge voltage is 2.5V. A 3.7V lithium battery is a lithium battery with a nominal voltage of 3.7V and a fully charged voltage of 4.2V, with capacities ranging from several hundred to several thousand milliamp hours. This type of battery is commonly used in various instruments, testing equipment, medical devices, POS machines, laptops, and other products.
During use, the discharge cutoff voltage of a 3.7V lithium battery is generally between 3.0V and 3.4V. If discharged to 3.2V, it is considered a low power state, and discharging should be stopped immediately and charging should be performed to avoid over-discharge damage to the battery. Additionally, when not in use for a long time, the battery should be disconnected from the vehicle and periodically charged to prevent self-discharge or the protection board's power consumption from over-discharging the battery.
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