DETERMINATION DEVICE, DETERIORATION DETERMINATION SYSTEM, WORK SUPPORT DEVICE, DETERIORATION DETERMINATION METHOD, AND COMPUTER PROGRAM

A determination device () includes: an acquisition unit () that acquires determination information for determining a degree of deterioration or guarantee of a lead-acid battery (); a determination unit () that determines the degree of deterioration or guarantee of the lead-acid battery () by referring to a database () that stores the determination information and the degree of deterioration or guarantee of the lead-acid battery () in association with each other based on the acquired determination information; and an output unit () that outputs a result determined by the determination unit ().