Dell Latitude 7520 Setup And Specifications page 18

Table 17. Battery specifications (continued)
Specifications
Temperature range:
Battery Operating time
Battery Charging time (approximate)
Life span (approximate)
ExpressCharge
User replaceable
Coin-cell battery
Coin-cell Operating time
NOTE:
For batteries with the ExpressCharge feature, the battery will typically have at least an 80% charge after about an hour of
charging with the system off, and fully charged in about 2 hours with the system off.
Enabling ExpressCharge requires that both the computer and the battery used be ExpressCharge capable. If these
requirements are not met, ExpressCharge will not be enabled.
¶
: Field Replaceable Part
18 Specifications of Latitude 7520
Height
Width
Depth
Operating
Storage
Option 1
92.8 mm (3.654 in.)
238 mm (9.37 in.)
5.7 mm (0.224 in.)
● Charging: 0°C to 45°C (32°F to 113°F)
● Discharging: 0°C to 65°C (32°F to 149°F)
-20°C to 60°C (-4°F to 140°F)
Varies depending on operating conditions and can
significantly reduce under certain power-intensive
conditions.
● ExpressCharge Boost (0% up to 35% ) : 20
minutes
● Express charge : 2 hours
● Standard charge: 3 hours
NOTE: Control the charging time, duration,
start and end time, and so on using
the Dell Power Manger application. For
more information on the Dell Power Manger
see, https://www.dell.com/support/home/
product-support/product/power-manager/docs
● Standard: 1 Year or 300 discharge/charge cycles
● Long Life Cycle (LCL) capable: 3 Years or 1000
discharge/charge cycles (Optional)
Supported on Express
Charge Capable Battery
¶
No (FRU )
Main battery reserves 2% of capacity for RTC
function.
68 days with 3-cell 42 WHr battery
NOTE: Varies depending on operating conditions
and can significantly reduce under certain power-
intensive conditions.
Option 2
92.8 mm (3.654 in.)
238 mm (9.37 in.)
5.7 mm (0.224 in.)
Supported on Express
Charge Capable Battery
No (FRU)