DELL E7240 7240-7274 用户手册
产品代码
7240-7274
Dell Latitude 12 7000 Series– Battery Specification
3-cell 31Whr
4-cell 42Whr
Battery Type
Lithium ion
Lithium ion
Dimension
Length
282.0mm (11.1")
282.0mm (11.1")
Width
80.75mm (3.18")
80.75mm (3.18")
Height
7.2mm (0.28")
7.2mm (0.28")
Weight
250.0 g (0.55 lb)
300.0 g (0.66 lb)
Voltage
11.1VDC
7.4VDC
Typical Amp-hour capacity
2.77Ahr
5.54Ahr
Typical Watt-hour capacity
31Whr
42Whr
Temperature
Operating
Charge: 0 °C to 50 °C,
32 °F to 158 °F
Discharge: 0 °C to 70 °C,
32 °F to 122 °F
Charge: 0 °C to 50 °C,
32 °F to 158 °F
Discharge: 0 °C to 70 °C,
32 °F to 122 °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
0~15degC: 4 hour
16~45degC: 2 hours
46~60degC: 3 hours
0~15degC: 4 hour
16~45degC: 2 hours
46~60degC: 3 hours
ExpressCharge Capable
Yes
Yes
BATTMAN Capable
Yes
Yes
Express charge benefits
•
•
For a battery advertised as having the ExpressCharge™ feature, the battery typically will have greater than 80% charge
after about an hour of charging with the system off, and fully charge in about 2 hours with the system off.
after about an hour of charging with the system off, and fully charge in about 2 hours with the system off.
•
Enabling Expresscharge™ requires that both the Latitude notebook and the battery that is used on the system be
ExpressCharge™ capable. If any of the above requirements is missing, ExpressCharge™ will not be enabled.
ExpressCharge™ capable. If any of the above requirements is missing, ExpressCharge™ will not be enabled.
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