Mighty Max Battery 18V Battery for Ryobi P213 P214 P500 P503 P506 P542 P543 P521 Brand Product Compatible with all past and current Ryobi and 18V products Full capacity cells provide extended run time This battery is compatible with the following tool models: CID-1802P, CS1800, CTH1802, CTH1802K, FL1800, HBD750R, HD1800M, HP1802M, MS180, MS181, R10530, R10531, R10630, R10631, R10632, R1073K2, RJC180, RJC181, SPC18, SS180, VC180 Replacement of the following battery part numbers: 130224007, 130256001, 1322401, 1322705, 1323303, 1400672, B-1815-S