BTI PFXCR-BTI 11.1V 34Wh Li-Ion Battery for Dell Latitude E7440, E7450 & E7420

Upgrade your Dell Latitude with the BTI PFXCR-BTI 11.1V 34Wh Li-Ion replacement battery. This high-capacity, 3-cell pack is engineered to restore peak portability to Dell Latitude E7440, E7450, and E7420 laptops, delivering reliable runtime, steady power delivery, and a safer charging experience. Built to align with OEM specifications and a broad range of Dell SKU references (including 0909H5, 451-BBFT, 451-BBFY, E225846, T19VM, 0D47W, F38HT, 0G95J5, KR71X, 451-BBKC, 451-BBFS, 909H5, and more), this battery is designed for seamless compatibility, precise fit, and a plug-and-play replacement that restores your laptop’s original performance without the guesswork.

• Extended runtime for all‑day productivity: At 11.1V and 34Wh (approximately 3063mAh), this 3‑cell Li‑polymer pack delivers dependable, consistent power to keep you working through long meetings, classes, and travel days. Enjoy fewer interruptions and more time between charges with a battery engineered to match the power profile of Dell Latitude E7440, E7450, and E7420.
• Broad compatibility and precise fit: Designed as a replacement for a wide array of Latitude models, the BTI PFXCR-BTI aligns with common part numbers and SKUs such as 0909H5, 451-BBFT, 451-BBFY, 451-BBKC, 451-BBFS, F38HT, 0G95J5, E225846, T19VM, KR71X, and 0D47W. Whether you’re upgrading an aging battery or restoring a device you rely on, this battery fits securely and connects flawlessly to your Dell Latitude’s battery bay and motherboard connector.
• Smart safety and reliable performance: This replacement battery is built with robust protection features to guard against overcharging, overdischarging, short circuits, and thermal events. The internal Li‑polymer cells are configured to deliver stable voltage and safe operation, helping to protect both your laptop and data while delivering consistent power across cycles.
• Durable construction for travel and daily use: The three-cell design blends lightweight portability with the capacity needed for daily tasks, multimedia, and productivity software. Engineered to meet or exceed original equipment standards, it’s a dependable option for students, professionals, and travelers who demand reliable battery life without sacrificing form factor.
• Easy replacement for minimal downtime: Specifically formulated for Dell Latitude models, this battery is intended for straightforward, tool-assisted swaps. With the proper precautions and standard screwdriver tools, you can perform a quick swap to restore peak performance and extend your device’s useful life without complex procedures.

Technical Details of BTI PFXCR-BTI 11.1V 34Wh Li-Ion Battery

• Battery type: Li-ion with internal Li-polymer configuration (3-cell)
• Nominal voltage: 11.1V
• Capacity: 34Wh (approx. 3063mAh)
• Cell configuration: 3-cell
• Chemistry: Li-polymer (internal cells)
• Compatibility: Dell Latitude E7440, E7450, E7420
• Manufacturer part references / SKUs: PFXCR-BTI; 0909H5; 451-BBFT; 451-BBFY; E225846; T19VM; 0D47W; F38HT; 0G95J5; 451-BBKC; KR71X; 451-BBFS; 909H5
• Packaging / safety: Factory-tested, conforms to standard battery safety requirements for replacement parts

How to install BTI PFXCR-BTI 11.1V 34Wh Li-Ion Battery

• Power off your Dell Latitude and unplug the AC adapter. If possible, remove the battery from the notebook while performing the procedure to minimize any risk of short circuits.
• Place the laptop face down on a non-conductive surface and remove the bottom access panel with the appropriate screwdriver. Keep screws organized to ease reassembly.
• Carefully disconnect the existing battery connector from the motherboard and lift the old battery from the chassis. Avoid pulling on cables to prevent damage to connectors.
• Align the new BTI PFXCR-BTI battery with the battery bay and firmly connect the battery cable to the motherboard. Ensure the connector is seated completely and that no wires are pinched against edges or fans.
• Reattach the bottom cover and screws. Reconnect the AC adapter, power on the laptop, and enter BIOS or the operating system to verify battery detection and health.
• Charge fully before first use and consider performing a battery calibration if recommended by Dell or the operating system to optimize discharge/charge reporting for accurate remaining life estimates.

Frequently asked questions

• Q: Is this battery compatible with Dell Latitude E7440, E7450, and E7420? A: Yes. This BTI PFXCR-BTI 11.1V 34Wh battery is designed as a replacement for Dell Latitude models including E7440, E7450, and E7420, and it supports the listed SKUs and part references for broad compatibility.
• Q: What is the capacity and expected runtime? A: The battery offers 34Wh (approximately 3063mAh) at 11.1V. Actual runtime varies with device configuration, workload, screen brightness, and background activity, but it is intended to restore near-original uptime for typical productivity tasks.
• Q: What chemistry is used in this battery? A: The unit is described as Li-ion with internal Li-polymer cells. This combination provides a balance of energy density and safety for a replacement battery in Dell Latitude notebooks.
• Q: Do I need any special tools to install the battery? A: Typically, a standard small screwdriver is sufficient to remove the bottom panel and access the battery bay. Follow careful static precautions and power down the device before replacing the battery.
• Q: Is there a warranty or return policy? A: Warranty terms and returns are determined by the selling retailer. Check the product listing for the specific warranty period and coverage when purchasing, as terms may vary by seller and region.