An implantable medical device (100, 200, 300, 400, 500, 600, 700), comprising: a battery (102, 202, 302, 402, 502, 602, 702) disposed in a battery housing (112, 212, 312, 412, 512, 612, 712), the battery housing (112, 212, 312, 412, 512, 612, 712) comprising an external surface of the implantable medical device (100, 200, 300, 400, 500, 600, 700); a set of electronics disposed in an electronics housing (104, 204, 304, 404, 504, 604, 704) and electrically coupled to the battery (102, 202, 302, 402, 502, 602, 702), the set of electronics configured to control operation of the implantable medical device (100, 200, 300, 400, 500, 600, 700); a first set of welds (101A, 201a, 301a, 401a, 501a, 601a) configured to hermetically seal the battery (102, 202, 302, 402, 502, 602, 702) from the set of electronics, wherein the battery housing (112, 212, 312, 412, 512, 612, 712) further comprises a cylindrical housing and a lid (116, 216, 316, 416, 516, 616, 716) welded to a distal portion of the battery housing (112, 212, 312, 412, 512, 612, 712) with the first set of welds (101A, 201a, 301a, 401a, 501a, 601a) to hermetically seal the battery housing (112, 212, 312, 412, 512, 612, 712); and a second set of welds (101B, 201b, 301b, 401b, 501b, 601b) configured to hermetically seal the set of electronics and the battery (102, 202, 302, 402, 502, 602, 702) from an exterior of the implantable medical device (100, 200, 300, 400, 500, 600, 700), characterized in that the first set of welds (101A, 201a, 301a, 401a, 401a, 601a) is disposed on an interior of the implantable medical device (100, 200, 300, 400, 500, 600) and the second set of welds (101B, 201b, 301b, 401b, 501b, 601b) is disposed on the exterior of the implantable medical device (100, 200, 300, 400, 500, 600) and wherein the first and second sets of welds (101A, 101B, 201a, 201b, 301a, 301b, 401a, 401b, 501a, 501b, 601a, 601b) provide dual-weld redundancy thereby requiring failure of both the first and second sets of welds (101A, 101B, 201a, 201b, 301a, 301b, 401a, 401b, 501a, 501b, 601a, 601b) for a patient to be exposed to electrolyte from the battery (102, 202, 302, 402, 502, 602, 702). a battery (102, 202, 302, 402, 502, 602, 702) disposed in a battery housing (112, 212, 312, 412, 512, 612, 712), the battery housing (112, 212, 312, 412, 512, 612, 712) comprising an external surface of the implantable medical device (100, 200, 300, 400, 500, 600, 700); a set of electronics disposed in an electronics housing (104, 204, 304, 404, 504, 604, 704) and electrically coupled to the battery (102, 202, 302, 402, 502, 602, 702), the set of electronics configured to control operation of the implantable medical device (100, 200, 300, 400, 500, 600, 700); a first set of welds (101A, 201a, 301a, 401a, 501a, 601a) configured to hermetically seal the battery (102, 202, 302, 402, 502, 602, 702) from the set of electronics, wherein the battery housing (112, 212, 312, 412, 512, 612, 712) further comprises a cylindrical housing and a lid (116, 216, 316, 416, 516, 616, 716) welded to a distal portion of the battery housing (112, 212, 312, 412, 512, 612, 712) with the first set of welds (101A, 201a, 301a, 401a, 501a, 601a) to hermetically seal the battery housing (112, 212, 312, 412, 512, 612, 712); and a second set of welds (101B, 201b, 301b, 401b, 501b, 601b) configured to hermetically seal the set of electronics and the battery (102, 202, 302, 402, 502, 602, 702) from an exterior of the implantable medical device (100, 200, 300, 400, 500, 600, 700), characterized in that the first set of welds (101A, 201a, 301a, 401a, 401a, 601a) is disposed on an interior of the implantable medical device (100, 200, 300, 400, 500, 600) and the second set of welds (101B, 201b, 301b, 401b, 501b, 601b) is disposed on the exterior of the implantable medical device (100, 200, 300, 400, 500, 600) and wherein the first and second sets of welds (101A, 101B, 201a, 201b, 301a, 301b, 401a, 401b, 501a, 501b, 601a, 601b) provide dual-weld redundancy thereby requiring failure of both the first and second sets of welds (101A, 101B, 201a, 201b, 301a, 301b, 401a, 401b, 501a, 501b, 601a, 601b) for a patient to be exposed to electrolyte from the battery (102, 202, 302, 402, 502, 602, 702).