11 Battery PackBattery PackBattery PackBattery Pack Supplies power to your Tablet PC when externalpower is not connected.P. 28TopTopTopTop ComponentsComponentsComponentsComponentsRefRefRefRef ComponentComponentComponentComponent DescriptionDescriptionDescriptionDescription See AlsoSee AlsoSee AlsoSee Also Tether HolderTether HolderTether HolderTether Holder For holding a tether (such as the stylustether). There is one holder at each corner ofthe Tablet PC.P. 5 NoneNoneNoneNoneOr can be one of the below components depending on your model:Serial PortSerial PortSerial PortSerial Port Connects a serial device. P. 39MicroSD Card SlotMicroSD Card SlotMicroSD Card SlotMicroSD Card Slot Accepts a microSD card for removable storagemedia.P. 40