ProductDescription:Thisreplacementcordlessphonebatteryismadewithhighqualitypartsandisguaranteedtomeetorexceedtheoriginalequipmentmanufacturersspecificationsatareducedprice.Thisbatterycanbeusedinthesemodels:Panasonic:KXTG2000B(BACKUP),KXTG2000B-BACKUP,KXTG4000B(BACKUP),KXTG4000B-BACKUP,PP507,PP507ABA1,PQP50AA61,TYPE18