The X708 reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications. The X708 can also be used with the [[X825]]/[[X828]]/[[X829]] (2.5" HDD/SSD Shield) and [[X857]]/[[X862]]/[[X872]](MSATA/M.2 SSD shield) for safe data backup.
There is a 8-cell 18650 battery holder X708-A1 for X708, please refer to [[X708-A1]].