A battery cell interconnect and voltage sensing assembly (120, 122), comprising: a plastic frame member having a first side and a second side, the plastic frame member having first, second, third and fourth elongated apertures extending therethrough; the first, second, third and fourth elongated apertures extending substantially parallel to a longitudinal axis of the plastic frame member, the first and second elongated apertures being centered about a first axis, the third and fourth elongated apertures being centered about a second axis, the first and second axes being perpendicular to the longitudinal axis and disposed a longitudinal distance apart from one another; an elongated interconnect member being coupled to the plastic frame member and extending past both the first and third apertures, the elongated interconnect member being configured to be electrically and physically coupled to both a first electrical terminal of a first battery cell extending through the first elongated aperture, and a first electrical terminal of a second battery cell extending through the third elongated aperture; the elongated interconnect member having a spade lug; a first interconnect member (310, 314, 318, 322, 326, 330) being coupled to the plastic frame member on the first side thereof, the first interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a third battery cell extending through the second elongated aperture, the first interconnect member having a spade lug; a second interconnect member (310, 314, 318, 322, 326, 330) being coupled to the plastic frame member on the first side thereof, the second interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a fourth battery cell extending through the fourth elongated aperture, the second interconnect member having a spade lug; and a wire harness assembly having first, second, and third spade clips (710, 714, 718, 722, 726, 730); the first spade clip being electrically and physically coupled to the spade lug of the elongated interconnect member; the second spade clip being electrically and physically coupled to the spade lug of the first interconnect member; the third spade clip being electrically and physically coupled to the spade lug of the second interconnect member. a plastic frame member having a first side and a second side, the plastic frame member having first, second, third and fourth elongated apertures extending therethrough; the first, second, third and fourth elongated apertures extending substantially parallel to a longitudinal axis of the plastic frame member, the first and second elongated apertures being centered about a first axis, the third and fourth elongated apertures being centered about a second axis, the first and second axes being perpendicular to the longitudinal axis and disposed a longitudinal distance apart from one another; an elongated interconnect member being coupled to the plastic frame member and extending past both the first and third apertures, the elongated interconnect member being configured to be electrically and physically coupled to both a first electrical terminal of a first battery cell extending through the first elongated aperture, and a first electrical terminal of a second battery cell extending through the third elongated aperture; the elongated interconnect member having a spade lug; a first interconnect member (310, 314, 318, 322, 326, 330) being coupled to the plastic frame member on the first side thereof, the first interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a third battery cell extending through the second elongated aperture, the first interconnect member having a spade lug; a second interconnect member (310, 314, 318, 322, 326, 330) being coupled to the plastic frame member on the first side thereof, the second interconnect member being configured to be electrically and physically coupled to a first electrical terminal of a fourth battery cell extending through the fourth elongated aperture, the second interconnect member having a spade lug; and a wire harness assembly having first, second, and third spade clips (710, 714, 718, 722, 726, 730); the first spade clip being electrically and physically coupled to the spade lug of the elongated interconnect member; the second spade clip being electrically and physically coupled to the spade lug of the first interconnect member; the third spade clip being electrically and physically coupled to the spade lug of the second interconnect member.