Ok im looking at a single Kicker Solo-Baric L7. i want to power this with a 1500 watt amp. Now dont be saying oh well i would just get two or something like that.. this is what i want for sure but what i really need to know is with 1500 watts runnin to that beast will i need to run it off of a car battery, upgrade my battery, or get a new alternator, or are all of those things solutions... i know a lot about cars but subs im not an expert.