Dell Latitude E5420 - Page 219

Temperature
range:
Operating 0 °C to 50 °C (32
°F to 122 °F)
Non-
Operating
–40 °C to 85 °C (–
40 °F to 185 °F)
NOTE: The
battery pack
is capable of
safely
withstanding
the above
storage
temperatures
with 100%
charge.
NOTE: The
battery pack
is also
capable of
withstanding
storage
temperatures
from –20 °C
to +60 °C
with no
degradation
in its
performance.
Coin-cell
battery
3 V CR2032
lithium coin cell
AC Adapter
Input voltage 100 VAC to 240 VAC
Input
current
(maximum)
1.5 A, 1.6 A, or 1.7 A
Input
frequency
50 Hz to 60 Hz
Output
power
65 W or 90 W