How Do You Calculate Battery Run Time. Battery Run Time Definition. The key is to use the watts you know to calculate the amps at the battery voltage.
The discharge time of a battery is basically the Ah or mAh rating divided by the current. What is missing is the l. Note that there are battery run-time calculators on the web that are very wrong.
Think cell phone or PC battery life everyone is aware that a battery needs.
You may think that calculating how long a battery will last at a given rate of discharge is as simple as amp-hours. E V Q. Then fill in the current and click on Calculate OR fill in the voltage and watts and click on Calculate. Suppose how much time it will take 6000mah battery charging with 100mA with 42 volts.
