Specifications

WA_DEV_FEX20_PTS_003 Rev 002 May 26, 2010 5
Contents
1. GENERAL DESCRIPTION ................................................................................... 8
1.1. Overall Dimensions ....................................................................................................... 8
1.2. Battery Cable ................................................................................................................ 8
2. USING THE BATTERY ACCESSORY ................................................................. 9
2.1. Battery Accessory Assembly ......................................................................................... 9
3. BATTERY ACCESSORY INTERFACE DESCRIPTION .................................... 12
3.1. Front Interface ............................................................................................................ 12
3.1.1. Operating Voltage ................................................................................................ 13
3.2. Back Interface............................................................................................................. 13
4. BATTERY ACCESSORY CHARGING ............................................................... 14
4.1. DC-IN Charging .......................................................................................................... 14
4.2. USB Charging............................................................................................................. 15
4.3. Charging Time ............................................................................................................ 15
4.4. Charging Voltage Specification ................................................................................... 16
4.5. LED Indicator .............................................................................................................. 16
5. BATTERY CELL INFORMATION ...................................................................... 17
6. AT COMMANDS FOR THE BATTERY ACCESSORY ...................................... 18
6.1. DC-IN Status .............................................................................................................. 18
6.2. USB Power Status ...................................................................................................... 18
6.3. Battery Level Status .................................................................................................... 20
6.4. Battery Cell Connection Anomaly ................................................................................ 20
7. RECOMMENDATIONS AND OTHER INFORMATION ...................................... 21
8. REFERENCES ................................................................................................... 22