Energy Management; Battery And Charging - Nokia 5130 Service Manual

RM-495; RM-496
System Module

Energy management

Battery and charging

BL-5C battery
The phone is powered by a 3-pole BL-5C 1020 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 25 Battery pin order
Issue 1 COMPANY CONFIDENTIAL Page 5 –7
Copyright © 2008 Nokia. All rights reserved.