In the application of super capacitor, many users have the same problem, is how to calculate a certain capacity of super capacitor in a certain discharge current, discharge time, or on the basis of the discharge current and discharge time, how to select the super capacitor capacity, below we give a simple calculation, users according to the formula, can simply for capacitor capacity, discharge current, discharge time, very convenientFarah capacitance also known as "super capacitor" (supercapacitor, ultracapacitor), "electric double layer capacitors" (Electrical Doule - LayerCapacitor), "gold capacitance", etc.