LG KT520 Service Manual page 70

• Charging Method : CCCV (Constant Current Constant Voltage)
• Maximum Charging Voltage : 4.2V
• Maximum Charging Current : 700mA
• Nominal Battery Capacity : 800 mAh
• Charger Voltage : 5.1V
• Charging time : Max 3.5h
• 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 - 3.1V, 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 45 °C : Normal charging temperature
• Over 45 °C : Extended temperature
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 71 -
LGE Internal Use Only