Battery DELL 451-BBFX Latitude E7240

The DELL 451-BBFX 4-cell Lithium-Ion battery is designed for the Dell Latitude E7240 laptop, providing a reliable power source with a capacity of 51 Wh. This genuine Dell replacement battery restores portable operation for your laptop and is supplied in black with OEM-grade components to ensure consistent performance and compatibility with supported systems.

Advantages

Genuine Dell-branded construction and OEM-quality components provide compatibility and reliable operation. The 51 Wh capacity extends unplugged runtime compared with discharged batteries, while the compact 4-cell design maintains the laptop's original fit and weight. The product is covered by Dell's limited one-year warranty and supported by Dell technical staff for installation and troubleshooting.

Suitable for

• Dell Latitude E7240 laptops
• Users needing a replacement battery for travel or mobile work
• Owners seeking a genuine OEM battery to preserve system warranty

Key specifications

• Model: DELL 451-BBFX (MPN: KWFFN, EAN: 5712505070932)
• Battery type: Lithium‑Ion (Li‑Ion), 4-cell
• Capacity: 51 Wh
• Colour: Black
• Weight: 0.3085 kg

How to use

Power off the laptop and disconnect any external power source. Remove the existing battery according to the Dell Latitude E7240 service instructions, install the DELL 451-BBFX battery in the battery bay until it clicks into place, then reconnect AC power and start the laptop. Allow the battery to charge fully before first use for optimal battery calibration.

Recommendations

Use only with compatible Dell Latitude E7240 models. Installing genuine Dell parts helps avoid voiding the system hardware warranty. If you experience issues, contact Dell technical support or follow Dell service guidance for diagnostics and warranty claims.