Table 20. Battery specifications (continued)
Description Option one Option two Option three Option four
on using the Dell Power
Manager application. For
more information about
Dell Power Manager,
search in the Knowledge
Base Resource at
www.dell.com/support.
time from 0% to
100% RSOC is 4
hours
● 16°C to 45°C
normal express
charge
● 46°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Standard Charge/
Predominately AC
User Charge
Method:
● 0°C to
15°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours
● 16°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Express Charge
Boost Charge
Method (Fast
Charge for Initial
35%):
● 16°C to 45°C
target charge time
from 0% to 35%
RSOC is 20 mins
for Accelerated
Charge
0% to 100% RSOC
is 4 hours
● 16°C to 45°C
normal express
charge
● 46°C to 50°C
maximum allowable
charge time from
0% to 100% RSOC
is 3 hours
Standard Charge/
Predominately AC
User Charge
Method:
● 0°C to 15°C
maximum allowable
charge time from
0% to 100% RSOC
is 4 hours
● 16°C to 50°C
maximum allowable
charge time from
0% to 100% RSOC
is 3 hours
time from 0% to
100% RSOC is 4
hours
● 16°C to 45°C
normal express
charge
● 46°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Standard Charge/
Predominately AC
User Charge
Method:
● 0°C to
15°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours
● 16°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Express Charge
Boost Charge
Method (Fast
Charge for Initial
35%):
● 16°C to 45°C
target charge time
from 0% to 35%
RSOC is 20 mins
for Accelerated
Charge
time from 0% to
100% RSOC is 4
hours
● 16°C to 45°C
normal express
charge
● 46°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Standard Charge/
Predominately AC
User Charge
Method:
● 0°C to
15°C maximum
allowable charge
time from 0% to
100% RSOC is 4
hours
● 16°C to
50°C maximum
allowable charge
time from 0% to
100% RSOC is 3
hours
Coin-cell battery
CR2032 CR2032 CR2032 CR2032
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing
the device outside these ranges may impact the performance of specific components.
CAUTION: Dell recommends that you charge the battery regularly for optimal power consumption. If your
battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart
your computer to reduce the power consumption.
Specifications of Latitude 5440 23
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