With this app you can make battery sizings and running times. For battery sizing you will need 3 parameters; System Rate, System Voltage (or blocks) and the Battery Autonomy. The running time just require the first two parameters.System Rate: The amount of power needed. This can be set in Kilowatts, Kilo Volt Ampere and AmperesSystem Voltage:Defines the amount of blocks in the system. It is possible to give a range.Battery Autonomy:The discharge time given in hours or minutes.This is the oficial Battery Sizing App from CSB Battery.