Aspire NX30 battery. Exotic Carts 1g Sour Tangie sat. This is the 5th different brand of cartridge I've used with it and no failures. It's around $50 : r/bostontrees
100% original Aspire X30 Rover kit TPD 2ML with NX30 mod & nautilus X tanks black, silver, blue and red 4 colors optional