Samsung N640 User Manual page 100

Normal Weight
Nominal open circuit voltage
Capacity, typical
Charging time, approximate, with
computer turned off , typical
Charging time, approximate, with
computer turned on , typical
Average battery life, with no power
management enabled
Normal Weight
Nominal open circuit voltage
Capacity, typical
Charging time, approximate, with
computer turned off , typical
Charging time, approximate, with
computer turned on, typical
Average battery life, with no power
management enabled
Operating voltage
Line frequency
Input current
Output current
Output voltage
100 Specifications
Lithium-Ion Smart Battery
0.99lb (450g)
11.1 VDC
5100 mAhr, 56.6whr
3.0 hr
5.0 hr
3.0 hr
Ni-MH Dumb Battery
1.36 lb (620 g)
12.0 VDC
4000 mAhr, 48whr
2.0 hr
4.0 hr
2.5 hr
External AC Adapter
100-240 VA
50/60 Hz
1.5 -0.8 A
3.15 A
19.0 VDC