Battery And Charging - Nokia 6111 RM-82 Service Manual

RM-82
Nokia Customer Care System module
• Protection

Battery and charging

Battery
Note: For technical data, see Battery endurance (page 9–18).
This device uses the BL-4B battery, a 700 mAh minimum Li-ion battery. It has a three contacts interface and
it is based on a blade type connector.
Figure 121 BL-4B battery and battery connector
Battery connector
The battery connector is a blade connector. It has three blades;
• BSI (Battery size indicator)
• GND (Ground)
• VBAT (Battery voltage)
The BSI line is used to recognize the battery capacity by a battery internal pull down resistor.
Figure 122 Blade battery connector
Charging
This phone is charged through the smaller Nokia standard interface (2.0 mm plug). The old standard charger
(3.5 mm) can be used together with the CA-44 charger adapter.
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