The present invention provides a nonaqueous electrolyte battery which has excellent circulating property and large-current property, and a battery set comprising the nonaquesous electrolyte and the vehicle. The nonaqueous electrolyte battery of the invention is characterized in that the battery comprises the following components: a positive pole (3); a negative pole (4) including the titanium series oxide; and nonaqueous electrolyte which includes the compound comprising the functional group represented by the formula (1) and the sultane comprising the unsaturated alkyl, wherein, R1-R3 respectively represent the alkyl with number of carbon atom 1-10, the alkenyl with number of carbon atom 2-10 or the aryl with number of carbon atom 6-10.