Specifications

WA_DEV_FEX20_PTS_003 Rev 002 May 26, 2010 16
Battery Accessory Product Technical
Specification
4.4. Charging Voltage Specification
Refer to the following table for the charging voltage specifications for both DC-IN and USB charging.
Table 3: Charging Voltage Specifications
Power Source
Input Voltage
Maximum Charging Voltage
Charging Current
Maximum
Continue
DC-IN
DC 7.5 – 32V
4.9V
128mA
20mA
USB
DC 5V
4.8V
118mA
14mA
Note: There is a discrepancy between the input voltage of the Fastrack Xtend and the input voltage of the
battery accessory to ensure proper battery accessory charging. For more information, refer to
document [2] AirLink FXT Series User Guide.
4.5. LED Indicator
The operating status of the charger is defined by the bi-color LED indicator. Refer to the following
table for the LED status and its corresponding definition.
Table 4: Charger State
LED Light Activity
Charger Status
Red LED ON
Battery level is below 3.6V
Green LED On
Battery level is above 3.7V
LED OFF
DC-IN or USB is NOT connected