Nokia RM-598 Service Manual

Board and module connections
Energy management
Battery and charging
BL-4CT battery
The phone is powered by a 3-pole BL-4CT 860 mAh battery. The three poles are named VBAT, BSI and GND
where the BSI line is used to recognize the battery capacity. This is done by means of an internal battery pull
down resistor.
Figure 27 Battery pin order
Battery connector
The battery connector is a blade connector. It has three blades;
•
BSI (Battery size indicator)
•
GND (Ground)
RM-598; RM-604
System Module
Page 5 –8 COMPANY CONFIDENTIAL Issue 1
Copyright © 2009 Nokia. All rights reserved.

Nokia RM-598 Specifications

General

Brand	Nokia
Model	RM-598
Category	Cell Phone
Language	English