A battery cell interconnect and voltage sensing assembly, comprising: a frame member having a first side and a second side, the frame member further having a generally rectangular ring-shaped peripheral wall having first, second, third and fourth wall portions (352, 354, 356, 358), the first and second wall portions (352, 354) being substantially parallel to one another and being spaced apart from one another, the third and fourth wall portions (356, 358) being substantially parallel to one another and being spaced apart from one another; the frame member further having a central plate portion coupled between the first and second wall portions (352, 354), the central plate portion defining a first space between the central plate portion and the third wall portion, the central plate portion further defining a second space between the central plate portion and the fourth wall portion; the frame member further having a first support member disposed between the third wall portion and the central plate portion such that first and second gaps are formed adjacent to opposite edges of the first support member; a first electrical interconnect member coupled to the first support member on the first side of the frame member, the first electrical interconnect member being configured to be electrically coupled to a first electrical terminal of a first battery cell extending through the first gap, the first electrical interconnect member having a first voltage sensing tab that extends through a first aperture in the central plate portion; a circuit board being attached to the second side of the frame member on at least one coupling tab (366, 368) extending from the central plate portion, the circuit board having first and second sides (700, 702), the first side of the circuit board being disposed proximate to the central plate portion and the second side of the circuit board being disposed opposite to the first side of the circuit board; an electrical connector being disposed on the circuit board and extending through a second aperture of the central plate portion, the circuit board having a first electrical trace coupled between the first voltage sensing tab and the electrical connector; and an encapsulation portion that is bonded to and encapsulates the first and second sides (700, 702) of the circuit board. a frame member having a first side and a second side, the frame member further having a generally rectangular ring-shaped peripheral wall having first, second, third and fourth wall portions (352, 354, 356, 358), the first and second wall portions (352, 354) being substantially parallel to one another and being spaced apart from one another, the third and fourth wall portions (356, 358) being substantially parallel to one another and being spaced apart from one another; the frame member further having a central plate portion coupled between the first and second wall portions (352, 354), the central plate portion defining a first space between the central plate portion and the third wall portion, the central plate portion further defining a second space between the central plate portion and the fourth wall portion; the frame member further having a first support member disposed between the third wall portion and the central plate portion such that first and second gaps are formed adjacent to opposite edges of the first support member; a first electrical interconnect member coupled to the first support member on the first side of the frame member, the first electrical interconnect member being configured to be electrically coupled to a first electrical terminal of a first battery cell extending through the first gap, the first electrical interconnect member having a first voltage sensing tab that extends through a first aperture in the central plate portion; a circuit board being attached to the second side of the frame member on at least one coupling tab (366, 368) extending from the central plate portion, the circuit board having first and second sides (700, 702), the first side of the circuit board being disposed proximate to the central plate portion and the second side of the circuit board being disposed opposite to the first side of the circuit board; an electrical connector being disposed on the circuit board and extending through a second aperture of the central plate portion, the circuit board having a first electrical trace coupled between the first voltage sensing tab and the electrical connector; and an encapsulation portion that is bonded to and encapsulates the first and second sides (700, 702) of the circuit board.