Asus Eee PC 4G Service Overview page 57

3.4.2 RTC Backup Battery
Purpose:
Chemistry:
Voltage:
Capacity:
Vendor:
3.5 AC/DC Adapter
The notebook can be powered either by an external AC adapter or by an internal battery pack. The AC adapter
is used as power source for the DC/DC converter and as constant current source for the battery pack.
Input Requirements:
AC line voltage:
AC line current:
AC line frequency
Efficiency
Output requirements:
Output-Voltage
Output-Current
Ripple voltage
Power cord:
DC Cable length:
Regulatory:
EMI:
Safety:
.Dimension:
Backup the RTC/CMOS data
While AC adapter off & Main Battery removed
Coin cell 2032 Li-ion battery
Nominal 3V
200mAH
KTS
100V to 240V AC, Full Range
2.315A
50 Hz to 60 Hz
85% min.
9.5V DC
max.2.315A
Plug to the adapter
180 mm +/- 50mm
FCC Class B
CISPR 22 Class B
(L) 108 x (W) 46 x (H) 29.5 mm
5-15
Hardware Technical Specification