NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK

According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a container member, a positive electrode stored in the container member, a negative electrode stored in the container member, and a nonaqueous electrolyte stored in the container member. A gas composition in the container member when a charge ratio of the nonaqueous electrolyte battery is set to 30%, and the nonaqueous electrolyte battery is left stand at 35° C. for 24 hrs satisfies 0.02(cc/g)≤≤0.01(cc/g) (1) 0.05≤≤0.1 (2) 1≤≤9 (3)