good electrical system ?? help plz

ok i will have 2 12"s and mids plus highs (2 amps, 2300 watts rms total) i will also have a power invertor (1000 watts rms) plus led lights in the car and underbody kit to. What should i do to the electrical system ?
I have an HO 220 amp alt an stock batt. I really dont wanna hook up 2 batteries can i get one big battery like the kinetic 3800 and run everything off that ?? the only problem is i have a small nissan versa. Please give me ur opinion on what to do im stuck.

alt should be fine. neon and leds dont take **** to run. 220A for 3k watts? PLEnty.. get a solid batt that will fit under the hood. I would get an xs d3100 and call it good

x2 on the xs d3100....im also running a 220amp alty and just one big bat. i swear all day by this d3100, better than any other battery i've used. worth every last penny. im running about double what you are not having any issues.