LG U8120 Service Manual page 69

3. TECHNICAL BRIEF
• Charging Method : CCCV (Constant Current Constant Voltage)
• Maximum Charging Voltage : 4.2V
• Maximum Charging Current : 600mA
• Nominal Battery Capacity : 1200 mAh
• Charger Voltage : 4.6V
• Charging time : Max 3.5h
• Full charge indication current (icon stop current) : 80mA
• Low battery POP UP : Idle - 3.46V, Dedicated – 3.50V
• Low battery alarm interval : Idle - 3 min, Dedicated - 1 min
• Cut-off voltage : WCDMA call - 3.1V, 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 55 °C : Normal charging temperature
•Over 55 °C : Extended temperature
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