400mAh
400mAh, or 400 milliampere-hours, is a unit of electric charge commonly used to describe the capacity of batteries, particularly in portable electronic devices. It represents the amount of charge that a battery can deliver over a period of time. For example, a 400mAh battery can deliver 400 milliamperes of current for one hour, or 200 milliamperes for two hours, and so on.
The term "mAh" is often used interchangeably with "mAh" or "mAh" in technical contexts. The capacity of
In the context of portable electronics, a 400mAh battery is considered relatively small. For instance, a typical
It's important to note that the actual runtime of a device depends not only on the battery
In summary, 400mAh is a unit of measure for battery capacity, indicating the amount of charge a