LG KU580 Service Manual - Page 64
Charging of Extended Temperature
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3. Technical Brief • Charging Method : CCCV (Constant Current Constant Voltage) • Maximum Charging Voltage : 4.2V • Maximum Charging Current : 700mA • Nominal Battery Capacity : 860 mAh • Charger Voltage : 4.8V • 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 © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 65 - LGE Internal Use Only