What is mAH in mobile phone battery


mAh stands for milliampere-hour, and it is a unit of electric charge commonly used to measure the capacity of a battery. It represents the amount of energy a battery can store and deliver over time. In the context of mobile phone batteries, the mAh rating indicates how much electrical charge the battery can hold.


For example, a mobile phone battery with a capacity of 3000mAh can theoretically deliver a current of 3,000 milliamperes (or 3 amperes) for one hour. Alternatively, it could deliver 1,500 milliamperes for two hours, and so on. In practical terms, this capacity measurement is used to estimate how long a device can run on a single charge.


It's important to note that the actual battery life of a mobile phone also depends on various factors, including the device's power consumption, screen brightness, running applications, and other usage patterns. Higher mAh ratings generally indicate a larger battery capacity and potentially longer battery life, but other factors also play a significant role in determining how long a device can operate on a single charge.



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