cost to replace battery...5.7 V8 Citadel

You'll need to reach out to local repair shops near you for a proper quote. https://repairpal.com/dodge-within-10-miles-of-tampa-florida-33647

Depends on what battery you go with but it should be in the range of 130-160 for agm. Most local auto parts stores will replace a battery for free if you buy it from them. Call your local parts store to double check and you can jump start your car to get it over there.