Dell Latitude 5000 Series Setup And Specifications page 20

Table 19. Battery specifications (continued)
Description
Temperature range:
Operating
Storage
Battery operating time
Battery charging time
(approximate)
Approximate life span
(discharge/charge cycles)
Coin-cell battery
20 Specifications of Latitude 5521
Option one
● Charge: 0 °C to 45 °C, 32 °F to 113 °F
● Discharge: 0 °C to 70 °C, 32 °F to 158 °F
-20°C (-4°F ) to 65°C (149°F)
Varies depending on operating conditions and can
significantly reduce under certain power-intensive
conditions.
4Hrs hours (when the computer is off)
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 www.dell.com/
● 3 years warranty
CR2032
Option two Option three
● Charge: 0 0°C to 50°C (32°F
°C to 45 °C, to 122°F)
32 °F to 113
°F
● Discharge: 0
°C to 70 °C,
32 °F to 158
°F
-20°C (-4°F ) -20°C to 60°C
to 65°C (-4°F to 140°F)
(149°F)
Varies Varies depending
depending on on operating
operating conditions and can
conditions and significantly reduce
can significantly under certain power-
reduce under intensive conditions.
certain power-
intensive
conditions.
4Hrs hours 4 Hrs hours (when
(when the the computer is off)
computer is off)
NOTE:
NOTE:
the charging
Control the
time, duration,
charging
start and end
time,
time, and so on
duration,
using the Dell
start and
Power Manager
end time,
application. For
and so on
more information
using the
on the Dell
Dell Power
Power Manager
Manager
see, Me and My
application.
Dell on
For more
www.dell.com/
information
on the Dell
Power
Manager
see, Me and
My Dell on
www.dell.co
m/
● 1 year ● 1 year warranty
warranty
CR2032 CR2032
Control