Dell Latitude 3490 Owners Manual - Page 71

Battery specifications, 20 °C to 65 °C -4 °F to 149 °F

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Supported Gestures 3-finger tapping (Invoke Cortana) 3-finger swipe up (See all open windows) 3-finger swipe down (Show the desktop) 3-finger swipe right or left (Switch between open windows) 4-finger tapping (Invoke Action Center) 4-finger swipe right or left (Switch virtual desktops) Battery specifications This topic lists out the detailed battery specifications. Table 16. Battery specifications 42 Whr (3 Cell) Lithium ion with ExpressCharge Type Length Width Weight Height Voltage Typical Amp-hour capacity Typical Watt-hour capacity Temperature: Operating Non-operating Charging time: Express Charge mode Standard mode ExpressCharge capable BattMan capable Li-polymer 184.00 mm (7.24 inch) 97.00 mm (3.82 inch) 185 g 5.90 mm (0.23 inch) 11.4 VDC 3.5 Ahr 42 Whr • Charge: 0 °C to 50 °C (32 °F to 122 °F) • Discharge: 0 °C to 70 °C (32 °F to 158 °F) -20 °C to 65 °C (-4 °F to 149 °F) • 0~15°C: 4 hours • 16~45°C: 2 hours • 46~60°C: 3 hours • 0~15°C: 4 hours • 16~60°C: 3 hours Yes Yes 56 Whr (4 Cell) Lithium ion with ExpressCharge Li-polymer 233.06 mm (9.170 inch) 90.73 mm (3.572 inch) 250.00 g 5.90 mm (0.23 inch) 15.2 VDC 3.67 Ahr 56 Whr • Charge: 0 °C to 50 °C (32 °F to 122 °F) • Discharge: 0 °C to 70 °C (32 °F to 158 °F) -20 °C to 65 °C (-4 °F to 149 °F) • 0~15°C: 4 hours • 16~45°C: 2 hours • 46~60°C: 3 hours • 0~15°C: 4 hours • 16~60°C: 3 hours Yes Yes Technical specifications 71

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Supported Gestures
3-finger
tapping (Invoke Cortana)
3-finger
swipe up (See all open windows)
3-finger
swipe down (Show the desktop)
3-finger
swipe right or left (Switch between open windows)
4-finger
tapping (Invoke Action Center)
4-finger
swipe right or left (Switch virtual desktops)
Battery
specifications
This topic lists out the detailed battery
specifications.
Table 16. Battery
specifications
42 Whr (3 Cell) Lithium ion with
ExpressCharge
56 Whr (4 Cell) Lithium ion with
ExpressCharge
Type
Li-polymer
Li-polymer
Length
184.00 mm (7.24 inch)
233.06 mm (9.170 inch)
Width
97.00 mm (3.82 inch)
90.73 mm (3.572 inch)
Weight
185 g
250.00 g
Height
5.90 mm (0.23 inch)
5.90 mm (0.23 inch)
Voltage
11.4 VDC
15.2 VDC
Typical Amp-hour capacity
3.5 Ahr
3.67 Ahr
Typical Watt-hour capacity
42 Whr
56 Whr
Temperature:
Operating
•
Charge: 0 °C to 50 °C (32 °F to
122 °F)
•
Discharge: 0 °C to 70 °C (32 °F to
158 °F)
•
Charge: 0 °C to 50 °C (32 °F to
122 °F)
•
Discharge: 0 °C to 70 °C (32 °F to
158 °F)
Non-operating
–20 °C to 65 °C (–4 °F to 149 °F)
–20 °C to 65 °C (–4 °F to 149 °F)
Charging time:
Express Charge mode
•
0~15°C: 4 hours
•
16~45°C: 2 hours
•
46~60°C: 3 hours
•
0~15°C: 4 hours
•
16~45°C: 2 hours
•
46~60°C: 3 hours
Standard mode
•
0~15°C: 4 hours
•
16~60°C: 3 hours
•
0~15°C: 4 hours
•
16~60°C: 3 hours
ExpressCharge capable
Yes
Yes
BattMan capable
Yes
Yes
Technical
specifications
71