Smart LTE Module SeriesSmart EVB G2 User GuideSmart_EVB_G2_User_Guide Confidential / Released 22 / 59Inner contactOuter contactFigure 9: Power Plug Design4.1.2. Battery InterfaceThe following figure shows a reference circuit design for battery interface.Figure 10: Reference Circuit Design for Battery InterfaceThe following figure shows the pin assignments of battery interface, and the following table shows the pindefinition of battery interface.1 2 34 5Figure 11: Pin Assignments of Battery InterfaceQuectelConfidential