User's Manual

GL300 User Manual
TRACGL300UM001 - 7 -
2.4.2. External Battery Interface
The Pin 8 on Mini-USB connector is for external battery and named as EXTBAT pin. It can be
connected to 3.7V Li-ion or Li-Polymer battery to power GL300.
2.5. Ignition Detection
The Pin 7 on Mini-USB connector is for ignition detection when GL300 is used in vehicle
tracking application. It is named as IGN_IND pin.