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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
• Charging Method : CCCV (Constant Current Constant Voltage)
• Maximum Charging Voltage : 4.2V
• Maximum Charging Current : 500mA
• Nominal Battery Capacity : 900 mAh
• Charger Voltage : 5.1V
• Charging time : Max 2h 30min.
• Full charge indication current (icon stop current) : 80mA
• Low battery POP UP : Idle - 3.52V, Dedicated – 3.48V
• Low battery alarm interval : Idle - 3 min, Dedicated - 1 min
• Cut-off voltage : WCDMA call - 3.2V, ELSE – 3.2V
Charging of Extended Temperature
When the battery temperature is outside the normal charging specification, the battery voltage, VBAT,
is maintained at 3.7V.
• Under 0
°
C : Extended temperature
• From 0
°
C to 45
°
C : Normal charging temperature
• Over 45
°
C : Extended temperature