LG -A290 Service Manual page 13

Item Description
Antenna Display

3 Battery Indicator
Low Voltage Warning
4
( Blinking Bar)
Forced shut down
5
Voltage
Sustain RTC
6
without battery
7 Battery Type
8 Travel Charger
LGE Internal Use Only
Bar Number
4
4 -> 3
3 -> 
 -> 1
1 -> 0
Battery Bar Number
3
3 -> 
 -> 1
1 -> 0
≤ 3.5 ± 0.05V (Call), every 1 minute
≤ 3.5 ± 0.05V (Standby), every 3 minute.
3.35 ± 0.05V
Over 1 min(Super Cap : Polyacene Capacitor 10uAh)
Li-Ion Battery
Standard Voltage = 3.7 V
Battery full charge voltage = 4. V
Capacity: 1500mAh
Switching-mode charger
Input: 90 ~ 64 V, 47/63 Hz
Output: 5.1 V, 700 mA
- 13 -
3. TECHNICAL BRIEF
Specification
Power
over -91dBm±dBm
-91dBm±dBm
-99dBm±dBm
-103dBm±dBm
-105dBm±dBm
Voltage
≥ 3.75± 0.05 V
3.75 ± 0.05 V
3.65 ± 0.05 V
3.5 ± 0.05 V
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