Dell E5440 owner manual AC Adapter

Page 62

Feature

Specification

 

 

 

4- and 6-cell

208.00 mm (8.18 inches)

9-cell

214.00 mm (8.43 inches)

Depth

 

 

4- and 6-cell

48.08 mm (1.89 inches)

9-cell

71.79 mm (2.83 inches)

Weight

 

 

4-cell

240.00 g (0.53 lb)

 

6-cell

344.73 g (0.76 lb)

 

9-cell

508.20 g (1.12 lb)

 

Voltage

 

 

4-cell

14.8 VDC

 

6- and 9-cell

11.1 VDC

 

Temperature range:

 

 

Operating

0 °C to 50 °C (32 °F to 122 °F)

Non-Operating

–40 °C to 85 °C (–40 °F to 185 °F)

 

NOTE: The battery pack is capable of safely

 

withstanding the above storage temperatures with

 

100% charge.

 

 

NOTE: The battery pack is also capable of

 

withstanding storage temperatures from –20 °C to

 

+60 °C with no degradation in its performance.

Coin-cell battery

3 V CR2032 lithium coin cell

Table 26. AC Adapter

 

 

 

 

 

Feature

Latitude E5440

Latitude E5540

 

 

 

Type

65 W

90 W adapter

Input voltage

100 VAC to 240 VAC

100 VAC to 240 VAC

Input current (maximum)

1.7 A

1.5 A

Input frequency

50 Hz to 60 Hz

50 Hz to 60 Hz

Output power

65 W

90 W

Output current

3.34 A (continuous)

4.62 A (continuous)

Rated output voltage

19.5 +/– 1.0 VDC

19.5 +/– 1.0 VDC

Temperature range:

 

 

Operating

0 °C to 40 °C (32 °F to 104 °F)

0 °C to 40 °C (32 °F to 104 °F)

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Contents Dell Latitude E5440 Page Contents Specifications Contacting Dell Working on Your Computer Before Working Inside Your ComputerTurning Off Your Computer After Working Inside Your Computer Removing and Installing Components Recommended ToolsSystem Overview Inside View BackRemoving the Battery Inside view FrontRemoving the SD Card Installing the BatteryInstalling the SD Card Removing the ExpressCardRemoving the SIM Card Installing the ExpressCardInstalling the SIM Card Removing the Display BezelInstalling the Display Bezel Removing the Display PanelInstalling the Display Panel Removing the CameraRemoving the Keyboard Trim Installing the CameraInstalling the Keyboard Trim Removing the Keyboard Installing the Keyboard Removing the Optical Drive Installing the Base CoverRemoving the Base Cover Installing the Optical Drive Installing the Hard Drive Removing the Hard DriveInstalling the Memory Module Removing the Memory ModuleRemoving the Wlan Card Installing the Wlan CardRemoving the Coin-Cell Battery Installing the Coin-Cell Battery Removing the Display HingeInstalling the Display Hinge Removing the PalmrestPage Installing the Palmrest Removing the Display AssemblyPage Installing the Display Assembly Removing the ExpressCard CageInstalling the ExpressCard Cage Removing the System FanInstalling the System Fan Removing the System Board Page Installing the System Board Installing the Heatsink Removing the HeatsinkRemoving the I/O Board Left Installing the I/O Board Left Removing the I/O Board RightInstalling the I/O Board Right Removing the Power ConnectorInstalling the Power Connector Removing the SpeakersInstalling the Speakers Installing the Status-Light Board Removing the Status-Light BoardFollow the procedures in After Working Inside Your Computer Boot Sequence Navigation KeysSystem Setup Options PS2 SATA-3 Option Description You can also enable or disable Media Card Secure Boot KEK Power Management Post Behavior Virtualization Support Wwan Updating the Bios System and Setup PasswordAssigning a System Password and Setup Password Page Diagnostics Enhanced Pre-Boot System Assessment ePSA DiagnosticsBattery Status Lights Device Status LightsSpecifications UMA Display Keyboard AC Adapter Weight 99 kg 4.40 lb 42 kg 5.35 lb Minimu Contacting Dell

E5440 specifications

The Dell E5440 is a robust and reliable laptop designed primarily for business users, blending performance with portability. As part of the Latitude series, it aims to deliver a productive experience for professionals on the go.

One of the standout features of the Dell E5440 is its solid build quality. It is crafted with durable materials that withstand the rigors of daily use, making it an ideal choice for frequent travelers. The laptop has a sleek and professional design, featuring a matte black finish that not only looks sophisticated but also helps minimize fingerprints and smudges.

Under the hood, the E5440 is powered by Intel's 4th generation Core processors, available in i3, i5, and i7 configurations. This gives users the flexibility to choose a version that best meets their performance requirements. The laptop typically comes with a minimum of 4GB of RAM, expandable to 16GB, ensuring that multitasking is seamless, even when running demanding applications.

For storage, the E5440 offers various options, including traditional hard drives as well as solid-state drives, which significantly enhance speed and reliability. Users can select storage sizes that range from 500GB HDDs to up to 512GB SSDs, catering to various needs for file storage and access speed.

The display of the Dell E5440 is another highlight. It features a 14-inch HD (1366 x 768) or Full HD (1920 x 1080) anti-glare screen, offering good visibility in varying lighting conditions. The screen’s size strikes an excellent balance between portability and usability, making it easy to work on documents or presentations without straining the eyes.

Furthermore, the E5440 is equipped with an array of connectivity options, including USB 3.0 ports, HDMI, VGA, and an Ethernet port. This ensures that users can connect to a wide range of devices and networks, making it exceptionally versatile for different working environments. Additionally, the laptop incorporates Intel’s vPro technology, enhancing manageability and security.

Battery life is another strong point for the Dell E5440. It features a long-lasting battery that enables users to stay productive throughout the day without constantly searching for power outlets. The option for a 6-cell battery contributes to extended usage, ideal for meetings and travel.

Overall, the Dell E5440 is an exceptional tool for business professionals, offering a harmonious blend of performance, durability, and essential features that cater to the demands of modern work environments. Its combination of powerful processors, ample connectivity options, and reliable battery life make it a compelling choice for those seeking a dependable laptop.