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Chapter 1 21
Battery
Item Specification
Vendor & model name Panasonic BTP-1831
Battery Type NiMH
Pack capacity 3500 mAH
Cell voltage 1.2V
Number of battery cell 8
Package configuration 8S
Package voltage 9.6V
DC-DC/Charger Converter
Item Specification
Vendor & Model Name Acer
Input voltage AC adapter: 19V-21V
Battery: 12V-16.8V
DC/DC converter output
Output Rating 5V 3.3V 12V 5V SB
Current (w/load, A) 0~2 0~3.5 0~0.25 0.02
Charger output
Normal charge (charge while
system is not operative)
2.2A
Background charge (charge even
system is still operative)
0.8A
Battery-low 2 level (V) 8.8V
Battery-low 3 level (V) 8V
Protection
Charger protection Security timer control
Over temperature protection
Over voltage protection
DC/DC converter protection OVP (Over Voltage Protection, V)
OCP (Over Current Protection, A)
505-1.book Page 21 Thursday, November 4, 1999 4:36 PM