Quick Start Guide

Description Values
Rated output voltage
19.50 VDC 19.50 VDC
Temperature range:
Operating
0°C to 40°C (32°F to 104°F) 0°C to 40°C (32°F to 104°F)
Storage
–40°C to 70°C (–40°F to 158°F) –40°C to 70°C (–40°F to 158°F)
Battery
Table 17. Battery specications
Description Values Values
Type
4-cell “smart” lithium-ion/polymer (60 WHr) 6-cell “smart” lithium-ion/polymer (90 WHr)
NOTE: Hard-disk drive conguration is available only on the computers that are
shipped with 4-cell battery.
Voltage
15.20 VDC 11.40 VDC
Weight (maximum)
0.25 kg (0.556 lb) 0.37 kg (0.82 lb)
Dimensions:
Height
11.60 mm (0.46 in.) 11.60 mm (0.46 in.)
Width
222.20 mm (8.75 in.) 332.65 mm (13.10 in.)
Depth
74.20 mm (2.92 in.) 74.20 mm (2.92 in.)
Temperature range:
Operating
0°C to 35°C (32°F to 95°F) 0°C to 35°C (32°F to 95°F)
Storage
–40°C to 65°C (–40°F to 149°F) –40°C to 65°C (–40°F to 149°F)
Operating time Varies depending on operating conditions and
can signicantly reduce under certain power-
intensive conditions.
Varies depending on operating conditions
and can signicantly reduce under certain
power-intensive conditions.
Charging time (approximate)
4 hours (when the computer is o)
NOTE: Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information on
the Dell Power Manager see, Me and
My Dell on https://www.dell.com/
4 hours (when the computer is o)
NOTE: Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information on
the Dell Power Manager see, Me
and My Dell on https://
www.dell.com/
Life span (approximate) 300 discharge/charge cycles 300 discharge/charge cycles
Coin-cell battery
CR-2032 CR-2032
Operating time Varies depending on operating conditions and
can signicantly reduce under certain power-
intensive conditions.
Varies depending on operating conditions
and can signicantly reduce under certain
power-intensive conditions.
20 Specications of Dell G7 7590