A control module for an electrical stimulation system, the control module comprising: an electronics housing (545, 645) having an outer surface; an electronic subassembly (358, 560, 660) disposed within the electronics housing (545, 645); a power assembly (549, 649) extending outwardly from the electronics housing (545, 645) and collectively with the electronics housing (545, 645) forming a sealed cavity, the power assembly (549, 649) comprising a power source, wherein the power source and the electronic subassembly (358, 560, 660) are in the same sealed cavity, a conduit assembly (571, 671) extending from the power source to the electronics housing (545, 645), and one or more power conductors extending along the conduit assembly (571, 671) and configured to electrically couple the power source to the electronic subassembly (358, 560, 660); and one or more connector assemblies (553a, 553b), each of the one or more connector assemblies (553a, 553b) comprising: a connector lumen (581a, 581b) configured and arranged to receive a lead, a plurality of connector contacts (583a, 583b) arranged along the connector lumen (581a, 581b) and in electrical communication with the electronic subassembly (358, 560, 660), and a plurality of connector conductors electrically coupled to the connector contacts (583a, 583b), wherein the one or more connector assemblies (553a, 553b) comprises a first connector assembly and a second connector assembly each extending laterally outwardly from the electronics housing (545, 645), and wherein the first connector assembly and the second connector assembly flank the power assembly (549, 649). an electronics housing (545, 645) having an outer surface; an electronic subassembly (358, 560, 660) disposed within the electronics housing (545, 645); a power assembly (549, 649) extending outwardly from the electronics housing (545, 645) and collectively with the electronics housing (545, 645) forming a sealed cavity, the power assembly (549, 649) comprising a power source, wherein the power source and the electronic subassembly (358, 560, 660) are in the same sealed cavity, a conduit assembly (571, 671) extending from the power source to the electronics housing (545, 645), and one or more power conductors extending along the conduit assembly (571, 671) and configured to electrically couple the power source to the electronic subassembly (358, 560, 660); and a power source, wherein the power source and the electronic subassembly (358, 560, 660) are in the same sealed cavity, a conduit assembly (571, 671) extending from the power source to the electronics housing (545, 645), and one or more power conductors extending along the conduit assembly (571, 671) and configured to electrically couple the power source to the electronic subassembly (358, 560, 660); and one or more connector assemblies (553a, 553b), each of the one or more connector assemblies (553a, 553b) comprising: a connector lumen (581a, 581b) configured and arranged to receive a lead, a plurality of connector contacts (583a, 583b) arranged along the connector lumen (581a, 581b) and in electrical communication with the electronic subassembly (358, 560, 660), and a plurality of connector conductors electrically coupled to the connector contacts (583a, 583b), wherein the one or more connector assemblies (553a, 553b) comprises a first connector assembly and a second connector assembly each extending laterally outwardly from the electronics housing (545, 645), and wherein the first connector assembly and the second connector assembly flank the power assembly (549, 649). a connector lumen (581a, 581b) configured and arranged to receive a lead, a plurality of connector contacts (583a, 583b) arranged along the connector lumen (581a, 581b) and in electrical communication with the electronic subassembly (358, 560, 660), and a plurality of connector conductors electrically coupled to the connector contacts (583a, 583b), wherein the one or more connector assemblies (553a, 553b) comprises a first connector assembly and a second connector assembly each extending laterally outwardly from the electronics housing (545, 645), and wherein the first connector assembly and the second connector assembly flank the power assembly (549, 649).