Battery deterioration degree estimation device and method

摘要: PROBLEM TO BE SOLVED: To provide a battery deterioration degree estimation device and method capable of improving accuracy, when estimating an anticipated each individual battery.SOLUTION: A 30 for vehicle 20 travels along route includes: information acquisition part 31 acquiring from plurality vehicles 10, 20, section traveled by the on capacity traveling section, temperature, C rate; statistic value calculation 32a calculating change prescribed temperature change, rate basis acquired 31; 32b result 32a.