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A feedthrough assembly is disposable in an aperture of, for example, a power source encasement. In various examples, the feedthrough assembly comprises a ferrule, an insulator, a terminal conductor, and a sleeve. A portion of the terminal conductor extends through the ferrule thereby creating a port

A feedthrough assembly is disposable in an aperture of, for example, a power source encasement. In various examples, the feedthrough assembly comprises a ferrule, an insulator, a terminal conductor, and a sleeve. A portion of the terminal conductor extends through the ferrule thereby creating a portion internal to and a portion external to the encasement. The insulator is disposed within the ferrule and is sealably engaged with the terminal conductor portion extending through the ferrule. The sleeve is disposed over the internal portion of the terminal conductor and coupled thereto. In one example, the sleeve includes at least one notch on a sleeve first end or a sleeve second end, which may be used to weld or solder the sleeve to the terminal conductor. In another example, the sleeve includes a longitudinally extending void, which may be used to crimp the sleeve to the terminal conductor.

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1. A feedthrough assembly for use with an encasement including an encasement aperture, the feedthrough assembly comprising: a terminal conductor at least partially passing through the encasement aperture and extending from an internal portion disposed within the encasement to an external portion dis

1. A feedthrough assembly for use with an encasement including an encasement aperture, the feedthrough assembly comprising: a terminal conductor at least partially passing through the encasement aperture and extending from an internal portion disposed within the encasement to an external portion disposed outside the encasement, the terminal conductor including an outer surface;a sleeve extending from a sleeve first end to a sleeve second end and including a sleeve intermediate portion therebetween, the sleeve including an inner surface engaged against the outer surface of the internal portion of the terminal conductor from near the sleeve first end to at least a midpoint of the sleeve substantially half way between the sleeve first end and the sleeve second end; anda conductive connection member physically connected and electrically coupled to an outer surface of the sleeve, wherein the conductive connection member laterally approaches and laterally physically contacts the outer surface of the sleeve. 2. The feedthrough assembly of claim 1, comprising an insulator disposed within at least a portion of the encasement aperture and surrounding at least a portion of the terminal conductor extending through the encasement aperture. 3. The feedthrough assembly of claim 2, comprising a ferrule disposed within at least a portion of the encasement aperture and surrounding at least a portion of the insulator. 4. The feedthrough assembly of claim 2, wherein the terminal conductor comprises a material having a coefficient of thermal expansion substantially the same as a coefficient of thermal expansion of the insulator. 5. The feedthrough assembly of claim 1, wherein the sleeve includes at least one notch on at least one of the sleeve first end or the sleeve second end. 6. The feedthrough assembly of claim 5, comprising a weld securing the sleeve to the outer surface of the terminal conductor, and wherein the weld is disposed adjacent the at least one notch. 7. The feedthrough assembly of claim 1, wherein the sleeve includes a longitudinally extending void. 8. The feedthrough assembly of claim 7, comprising a crimp securing the sleeve to the outer surface of the terminal conductor, the crimp occurring by way of the longitudinally extending void. 9. The feedthrough assembly of claim 1, wherein the internal portion of the terminal conductor includes one or more grooves extending inwardly from the outer surface thereof, and wherein the sleeve is deformable into the one or more grooves. 10. The feedthrough assembly of claim 1, wherein the outer surface of the sleeve includes a substantially flat portion configured to receive a substantially flat portion of the conductive connection member. 11. The feedthrough assembly of claim 10, wherein the substantially flat portion of the sleeve extends from near the sleeve first end to near the sleeve second end. 12. The feedthrough assembly of claim 1, wherein the sleeve first end includes an introductory opening including a first diameter, the first diameter narrowing to a second diameter larger than an outer diameter of the terminal conductor. 13. The feedthrough assembly of claim 12, wherein the second diameter is disposed at or near the sleeve second end. 14. The feedthrough assembly of claim 1, wherein the inner surface of the sleeve is engaged against the outer surface of the internal portion of the terminal conductor from near the sleeve first end to near the sleeve second end. 15. A feedthrough assembly for use with an encasement, the feedthrough assembly comprising: an insulator disposed within the encasement;a terminal conductor extending through at least a portion of the insulator, the terminal conductor extending from an internal portion disposed within the encasement to an external portion disposed outside the encasement, the terminal conductor including an outer surface;a sleeve extending from a sleeve first end to a sleeve second end, the sleeve including an inner surface engaged against the outer surface of the internal portion of the terminal conductor from the sleeve first end to the sleeve second end; anda conductive connection member physically connected and electrically coupled to an outer surface of the sleeve, wherein the conductive connection member laterally approaches and laterally physically contacts the outer surface of the sleeve. 16. The feedthrough assembly of claim 15, comprising a ferrule surrounding at least a portion of the insulator. 17. The feedthrough assembly of claim 15, wherein the outer surface of the sleeve includes a substantially flat portion configured to receive a substantially flat portion of the conductive connection member. 18. The feedthrough assembly of claim 15, comprising: at least one notch in the sleeve; anda weld disposed adjacent the at least one notch, the weld configured to secure the sleeve to the outer surface of the terminal conductor. 19. A feedthrough assembly for use with an encasement, the feedthrough assembly comprising: a ferrule disposed within at least a portion of the encasement;an insulator disposed within at least a portion of the ferrule;a terminal conductor at least partially passing through the insulator and extending from an internal portion disposed within the encasement to an external portion disposed outside the encasement, the terminal conductor including an outer surface;a sleeve extending from a sleeve first end to a sleeve second end and including a sleeve intermediate portion therebetween, the sleeve including an inner surface engaged against the outer surface of the internal portion of the terminal conductor from near the sleeve first end to a point near the sleeve second end; anda conductive connection member physically connected and electrically coupled to a substantially flat portion of an outer surface of the sleeve, wherein a substantially flat portion of the conductive connection member laterally approaches and laterally physically contacts the outer surface of the sleeve. 20. The feedthrough assembly of claim 19, wherein the terminal conductor comprises a material having a coefficient of thermal expansion substantially the same as a coefficient of thermal expansion of the insulator.