need some opinions on my juice/bag issue

my trucks juiced right now with cce's 2 pump kit...some bullshit shop in my area had it for a year and it jus sat and my batteries wont hold a charge i hit like 3 switches and thats it they are dead...i really dont know if i wanna spend 300 on new batteries or change over to nitrogen or co2 or whatever else i jus dont want the usual bag setup at all...whats my best bet should i stay with what i got or swich to air and if i switch what do i need to buy?? my email is mytruckdragsbody@netscape.net if u wanna email...thanks everyone