About Battery Run Time Calculator (Formula)
A battery run time calculator is a tool used to estimate the duration of battery operation for electronic devices or systems. It helps in determining how long a battery can power a device or how quickly it will drain based on the device’s power consumption.
The formula for calculating battery run time is as follows:
Run Time = Battery Capacity / Device Power Consumption
To calculate the run time, you need to divide the battery capacity by the power consumption of the device. Battery capacity is typically measured in ampere-hours (Ah) or milliampere-hours (mAh), while power consumption is measured in watts (W) or milliwatts (mW).
For example, let’s say you have a battery with a capacity of 5000mAh (or 5Ah), and your device has a power consumption of 2W. The run time would be calculated as follows:
Run Time = 5000mAh / 2W = 2500 hours (or 104.17 days)
In this case, the battery would last approximately 2500 hours or 104.17 days with the given power consumption.
The battery run time calculator allows users to input the battery capacity and device power consumption to estimate how long the battery will last under specific conditions. It aids in planning and managing battery usage, especially in situations where access to charging is limited or unavailable.