Advanced Auto Parts battery's do not have a nation wide warranty. THe warranty on them is regional only and some of their store will give you a lot of grief when you try to bring back a battery they did not sell you themselfs!!! They are also JUNK!!! I do not know who makes them for Advanced or the price point they specify but I see more dead Titanium and Deka brand then anything else.I know many people that have gotton the run-around from advanced when they tried to take advantage of the warranty! I would also bear in mind that just because something is made by a company does not mean that they are all the same. Manufactures will build to what ever price the purchaser is asking for!! A key example would we ASIN. ASIN is owned by Toyota they design and build transmission,transfer cas's and diff's. They build most of the transmissions for Toyota,Nissian,Isuzu etc....Generaly Toyota always specified a more expensive design then the others company's. So even though they were made by the same company their were huge differences in design and materials specified. This lead to major difference's in durability,shif feel, and how much power you could put through them.