NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK

According to one embodiment, provided is a nonaqueous electrolyte battery including a positive electrode containing a lithium-containing nickel-cobalt-manganese oxide, a negative electrode containing a lithium titanium-containing oxide, and a nonaqueous electrolyte. A ratio P/Pof a peak intensity Pof a highest intensity peak within 682 eV to 685 eV to a peak intensity Pof a highest intensity peak within 850 eV to 858 eV in an X-Ray photoelectron spectrum of a positive electrode surface is 0.6 or more and 1 or less. A ratio N/Nof a peak intensity Nof a highest intensity peak within 682 eV to 685 eV to a peak intensity Nof a highest intensity peak within 454 eV to 460 eV in an X-Ray photoelectron spectrum of a negative electrode surface is 1.8 or more and 3 or less.