Energy output is a complex matter. We all need a certain amount of carbohydrates to ensure that our glycogen stores are fully stocked to ensure we can perform to our optimum ability during exercise. Slightly more complicated is the matter of pre-workout energy continuation and post workout glycogen replenishment.
Different carbohydrate sources with different glycemic measurements are required to satisfy these varying requirements. It's additionally important that along with the triple-charged carbohydrate content of Battery +/- 3, amino acids that are vital to the muscle preservation process are also included. This is why PhD invented Battery +/-3.