Additional battery, location/purpose - GF82.95-P-4204R
MODEL 230 with CODE (855) TELE AID
| Additional battery, location | The additional battery is integrated in the telephone transmitter/receiver and TELE AID, D2B | ||
| Additional battery, purpose | Maintaining power supply of TELE AID system. If the power supply to the vehicle battery is interrupted because of an accident (battery sheared off), the power supply is maintained for a limited period by the backup battery. |