Table 17. Battery specifications (continued)
Description
Option one
Option two
Battery voltage
11.25 VDC
15.0 VDC
Battery weight (maximum)
0.19 kg (0.41 lb)
0.24 kg (0.55 lb)
Battery dimensions:
Height
206.40 mm (8.12 in.)
271.90 mm (10.70 in.)
Width
82.00 mm (3.22 in.)
82.00 mm (3.22 in.)
Depth
5.75 mm (0.22 in.)
5.75 mm (0.22 in.)
Temperature range:
Operating
When charging battery:
●
Initiate charging: 0°C to 45°C
(32°F to 113°F)
●
Upper limit for charging
(maximum): 50°C (122°F)
When discharging battery:
●
Normal discharging: 0°C to 60°C
(32°F to 140°F)
●
Over temperature protection
(maximum): 70°C (158°F)
NOTE:
The battery does
not allow discharge past this
temperature.
When charging battery:
●
Initiate charging: 0°C to 45°C (32°F
to 113°F)
●
Upper limit for charging (maximum):
50°C (122°F)
When discharging battery:
●
Normal discharging: 0°C to 60°C
(32°F to 140°F)
●
Over temperature protection
(maximum): 70°C (158°F)
NOTE:
The battery does not allow
discharge past this temperature.
Storage
-20°C to 60°C (-4°F to 140°F)
-20°C to 60°C (-4°F to 140°F)
Battery operating time
Varies depending on operating
conditions and can significantly
reduce under certain power-intensive
conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Battery charging time (approximate)
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
.
Standard Charge/Predominately
AC User Charge Method:
●
0 - 15°C maximum allowable
charge time from 0 to 100% RSOC
is 4 hours
●
16 - 50°C maximum allowable
charge time from 0 to 100% RSOC
is 3 hours
Express Charge Method:
●
0 - 15°C maximum allowable
charge time from 0 to 100% RSOC
is 4 hours
●
16 - 45°C normal express charge
●
46 - 50°C maximum allowable
charge time from 0 to 80% RSOC
is 1 hours charge time from 0 to
100% RSOC is 2 hours
Express Charge Boost Charge
Method (Fast Charge for Initial
35%):
●
16 - 45°C target charge time from
0 to 35% RSOC is 20 mins for
Accelerated Charge
Standard Charge/Predominately AC
User Charge Method:
●
0 - 15°C maximum allowable charge
time from 0 to 100% RSOC is 4 hours
●
16 - 50°C maximum allowable charge
time from 0 to 100% RSOC is 3 hours
Express Charge Method:
●
0 - 15°C maximum allowable charge
time from 0 to 100% RSOC is 4 hours
●
16 - 45°C normal express charge
●
46 - 50°C maximum allowable charge
time from 0 to 80% RSOC is 1 hours
charge time from 0 to 100% RSOC is 2
hours
Express Charge Boost Charge Method
(Fast Charge for Initial 35%):
●
16 - 45°C target charge time from 0 to
35% RSOC is 20 mins for Accelerated
Charge
18
Specifications of Inspiron 15 3520