Would this increase the performance?

Question

the desert eagle 50 co2 uses a 300 mah battery and if i i put a a 2500 mah battery in it will it increse the performance?

Answer 1

it will hold a charge longer

Answer 2

no, the battery simply operates a switch allowing the compressed air to be released.  A better battery will either open and close the valve quicker (reducing power) or it will simply run longer before you need a new battery, or it will burn out the switch