Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 405 Ver. 1.00 – 10/29/2008
4.16.28 $BBCHG Recharge Backup Battery
(continued)
Enfora Implementation Scope Full
Notes Default state is disabled. Charging
capability for lithium cell battery only.
Typical charging current is 500 uAmps (350
uAmps minimum, 900 uAmps maximum.
Example: AT$BBCHG=1,2 Enabler battery charging
at 3.0V