The following table lists the battery specifications of your Latitude 7420.
Description | Option one | Option two | |
---|---|---|---|
Battery type |
3-cell, 42 WHr, optional with ExpressCharge or Long Life Cycle |
4-cell, 63 WHr, optional with ExpressCharge or Long Life Cycle |
|
Battery voltage |
11.40 VDC |
15.2 VDC |
|
Battery weight (maximum) |
0.21 kg (0.467 lb) |
0.26 kg (0.58 lb) |
|
Battery dimensions: | |||
Height |
5.7 mm (0.224 in.) |
5.7 mm (0.224 in.) |
|
Width |
92.8 mm (3.654 in.) |
92.8 mm (3.654 in.) |
|
Depth |
238 mm (9.37 in.) |
238 mm (9.37 in.) |
|
Temperature range: | |||
Operating |
|
|
|
Storage |
–20°C to 60°C (4°F to 140°F) |
–20°C to 65°C (4°F to 149°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
www.dell.com.
|
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/
|
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/
|
|
Coin-cell battery |
Main battery reserves 2% of capacity for RTC function. |
Main battery reserves 2% of capacity for RTC function. |
|
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.
|