Operation panel (attached to main body) Foot switch (mounted on main unit) Battery BAJ100001011 (2 made in 2021, 1 made in 2016) Battery BAJ100000011 (2016) Battery charger CHJ20000130J011 (2015) Operation check (startup, operation panel, foot switch response) Battery operation verification only * Exterior with scratches, rust * Main body plastic part with damaged * Operation panel with discoloration * Top plate cover with scratches * Top plate cushion with scratches * All 4 batteries with scratches