His includes the hardware to make a 70-cell 18650 battery pack 24v +- 700Wh (7s10p). Includes 10 battery modules and ribbon cable to connect them, also the brass standoffs and one XT60 connector that must soldered if you choose to use it. PCB Boards are populated but they require some assembly. Contents: Battery Module PCB. 10x Printed Circuit Boards. 10x 4cell 18650 holders. 10x 3cell 18650 holders. 10x 5A SMD fuses. 10x IDC Socket connector. 10x IDC Ribbon connector. 40x M4x 25mm standoffs. BMS Populated Board (Optional) Contents: Battery Management System DIY Board. 1x BMS gerber file. 1x 60A BMS units 1x 3M Double sided Adhesive. 4x M4 screw terminals 4x M4 nylon short standoffs 4x M4x25mm standoffs. 1x 16pin IDC socket connector. 1x 16pin IDC connector. Some assembly may be required. SOC Populated Board (Optional) Contents: 7s State of Charge Meter Board. 4x M4x 25mm Standoffs. S7 SOC Gerber File.