Rainbow Electronics GM862-GPS - Manual (Page 42)

Easy Script in Python
80000ST10020a Rev.8 - 01/10/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 42 of 100
0 - charger not connected
1 - charger connected and charging
2 - charger connected and charging process completed
Second element of tuple is a Python integer which is battery voltage in mV.
Example:
cbc = GPIO.getCBC()
gets charger status and battery voltage values, assigning return value to cbc tuple.