Dell 451-BBFX 45 Wh 4-Cell Primary Battery for Latitude E7240 Notebook - Lithium Ion
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Product Features
Technical Overview
This battery delivers 45 watt-hours (Wh) of energy through a 4-cell configuration, optimized for the power requirements of the Latitude E7240. The Lithium Ion chemistry supports efficient charging and stable discharge, contributing to consistent runtime per charge cycle. It is explicitly designed as a primary battery, meaning it is the main power source for the notebook when unplugged.
The physical design is proprietary to Dell, with dimensions of 3.18 inches in width and 0.28 inches in height, and a weight of approximately 308.5 grams. This compact and lightweight form factor maintains the portability of the E7240. The battery is rechargeable and intended for repeated use, integrating with the notebook's internal power management system for optimal performance and safety.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Height, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The Dell 451-BBFX battery offers several advantages for Latitude E7240 users, focusing on reliability, compatibility, and convenience. As a genuine Dell part, it ensures perfect fit and full functionality with your notebook, avoiding the risks of aftermarket batteries such as poor performance or safety concerns.
Genuine Compatibility
Designed and tested by Dell for the Latitude E7240, this battery matches the original specifications exactly, including the proprietary form factor and electrical interfaces. It is compatible with OEM part number HJ8KP, guaranteeing it will work seamlessly with your device's hardware and firmware.
- Direct replacement for original battery
- No driver or software conflicts
- Maintains notebook warranty compliance
Practical Utility
With 45 Wh capacity, this battery provides essential runtime for mobile work, whether as a primary power source or a spare. Its rechargeable nature supports daily use cycles, and the Lithium Ion chemistry helps it charge efficiently compared to older battery types.
- Extends unplugged usage time
- Suitable as a backup for travel
- Supports business continuity
Deployment / Use Cases
This battery is ideal for IT departments, business users, and educational institutions that rely on Dell Latitude E7240 notebooks for daily operations. Its primary use is as a replacement battery for aging or failing original batteries, restoring full mobility to laptops that have seen reduced runtime over time.
It also serves well as a spare battery for users who require extended unplugged operation, such as during travel, fieldwork, or in environments with limited power access. By keeping a charged spare on hand, professionals can swap batteries without downtime, ensuring productivity remains uninterrupted. This deployment supports business continuity plans by maintaining critical mobile devices in ready condition.
Physical Profile
The battery features a slim profile at 0.28 inches thick and 3.18 inches wide, designed to fit precisely within the Latitude E7240's battery compartment. Its lightweight construction at 308.5 grams minimizes added bulk, preserving the notebook's portability. The proprietary size ensures it installs securely without modifications, and the finish matches Dell's standard design for a cohesive look.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.28" (7.20 mm), 3.18" (80.75 mm), 308.5 g. This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 3.18" (80.75 mm)
- Height
- 0.28" (7.20 mm)
- Weight
- 308.5 g
Highlights
- 45 Wh energy capacity for reliable notebook runtime
- 4-cell Lithium Ion (Li-Ion) rechargeable battery
- Designed specifically for Dell Latitude E7240 notebooks
- Proprietary size ensures perfect fit and compatibility
- Rechargeable for repeated daily use cycles
- 1-year limited warranty from Dell
- Compact dimensions: 3.18" W x 0.28" H
- Lightweight at approximately 308.5 grams
- Compatible with OEM part number HJ8KP
- Ideal as a replacement or spare battery
Specifications
| Specifications | |
|---|---|
| Manufacturer | Dell Technologies |
| Manufacturer Part Number | 451-BBFX |
| Brand Name | Dell |
| Product Name | 45 WHr 4-Cell Primary Battery for Dell Latitude E7240 |
| Packaged Quantity | 1 |
| Product Type | Battery |
| Battery Information | |
| Application/Usage | Notebook |
| Battery Rechargeable | Yes |
| Battery Size | Proprietary Battery Size |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Battery Energy | 45 Wh |
| Number of Cells | 4 |
| Physical Characteristics | |
| Height | 0.28" (7.20 mm) |
| Width | 3.18" (80.75 mm) |
| Weight (Approximate) | 308.5 g |
| Miscellaneous | |
| Compatible to OEM Part Number | HJ8KP |
| Compatibility | Dell Latitude E7240 Notebook |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What Dell notebook model is this battery compatible with?
This battery is specifically designed for the Dell Latitude E7240 notebook. It is compatible with OEM part number HJ8KP and will not fit other Dell or third-party laptop models. Ensure your device is a Latitude E7240 before purchase to guarantee proper fit and function.
What is the energy capacity of this battery?
The Dell 451-BBFX battery has an energy capacity of 45 watt-hours (Wh). This capacity determines how long the battery can power your Latitude E7240 on a single charge, depending on usage patterns like screen brightness and application load.
How many cells does this battery have, and what chemistry is used?
This battery contains 4 cells and uses Lithium Ion (Li-Ion) chemistry. The 4-cell configuration helps deliver the 45 Wh capacity, while Li-Ion technology offers efficient charging, stable performance, and good energy density for notebook applications.
Is this battery rechargeable?
Yes, this is a rechargeable battery designed for repeated charge and discharge cycles with your Latitude E7240. It integrates with the notebook's internal charging system, allowing you to recharge it via the AC adapter when plugged in.
What are the physical dimensions and weight of this battery?
The battery measures 3.18 inches in width and 0.28 inches in height, with an approximate weight of 308.5 grams. Its proprietary size ensures it fits exactly into the Latitude E7240's battery compartment without modifications.
What warranty comes with this Dell battery?
Dell provides a 1-year limited warranty for this battery, covering defects in materials and workmanship. This warranty offers assurance of quality and reliability, which is important for business and IT deployments where downtime must be minimized.
What power capacity is listed for this UPS?
Power specifications help show where the unit fits best, including the type of load level, electrical environment, and backup role it is intended to support. These are usually the most decision-critical facts in a UPS or power-protection comparison.
Is this unit designed for rack or tower deployment?
For power-protection products, the most useful FAQ topics are usually capacity, outlet arrangement, runtime characteristics, and installation format. Those details do more to explain real deployment fit than generic marketing language.
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