looking to add a new battery and hopefully a bigger one. what battery should i go with? i am wanting to add a amp evetually and a few HIDS or LED light bars. i wanna try and keep the stock charging system and not spend the money on a alternator kit since money is a lil tight right now. right now ill im running is CDI box and stereo and stock headlights. someone please let me know what u think for a good battery. i want one with a good charge that will hold on.