BTI 451-BBLK-BTI 7.4V 51Wh Li-Ion Battery for Dell Latitude E5450/E5550

Power your Dell Latitude E5450 or E5550 with confidence using the BTI 451-BBLK-BTI 4-cell 7.4V Li-Ion notebook battery. This high-quality replacement is engineered to deliver dependable runtime while meeting strict OEM specifications. Whether you’re commuting, studying, or working remotely, this battery helps you stay unplugged longer between charges. The BTI battery replaces multiple OEM part numbers, ensuring easy compatibility and a seamless swap for users who want a reliable, plug-and-play upgrade. OEM-replacement compatibility includes 0G5M10, 451-BBLK, 451-BBLL, 451-BBLN, 5XFWC, 8V5GX, F5WW5, G5M10, K9GVN, PF59Y, R9XM9, VMKXM, WYJC2, YM3TC. With an 18-month manufacture warranty, you can trust in long-lasting performance and solid support from a trusted supplier.

• Longer runtime and dependable performance — This 4-cell, 7.4V lithium-ion battery provides 51Wh of capacity, designed to deliver reliable power for a full day of productivity. The higher energy density helps you work, learn, and enjoy multimedia on the go without constantly searching for a charger. Real-world usage varies by device settings, screen brightness, and individual usage patterns, but you can expect a meaningful improvement over lower-capacity replacements.
• Wide compatibility with Dell Latitude series — Specifically engineered for the Dell Latitude E5450 and E5550 families, this battery is a straightforward OEM-replacement. It replaces a broad range of OEM part numbers to minimize compatibility concerns, making it a versatile option for users who own different configurations of the Latitude lineup. If you’re seeking a trusted swap that fits your model, this BTI battery is designed with your needs in mind.
• Safety, reliability, and quality — Built with high-grade Li-Ion cells and a robust power-management system, this battery includes protection features for safe charging and discharging. It’s designed to minimize the risk of overcharge, short circuits, and thermal concerns, helping to protect both the battery and your laptop while delivering steady performance over its lifespan.
• Effortless installation and maintenance — A plug-and-play upgrade that mirrors the form factor and connectors of the original battery. Whether you’re replacing a worn-out pack or refreshing an aging system, the BTI 451-BBLK-BTI is designed for a simple swap with minimal downtime. No special tools beyond standard laptop maintenance have to be used, and the replacement process is straightforward for most users.
• Warranty, service, and value — Enjoy peace of mind with an 18-month manufacture warranty. This coverage reflects the confidence in both the battery’s build quality and the seller’s commitment to customer satisfaction. A reliable battery like this reduces the frequency of replacements and helps protect your laptop investment, delivering long-term value for students, professionals, and travelers.

Technical Details of BTI 451-BBLK-BTI 7.4V 51Wh Li-Ion Battery

• Model: BTI 451-BBLK-BTI
• Type: Li-Ion notebook battery
• Cells: 4-cell
• Voltage: 7.4V
• Capacity: 51Wh
• Replaces OEM: 0G5M10, 451-BBLK, 451-BBLL, 451-BBLN, 5XFWC, 8V5GX, F5WW5, G5M10, K9GVN, PF59Y, R9XM9, VMKXM, WYJC2, YM3TC
• Compatibility: Dell Latitude E5450, E5550
• Warranty: 18 Months

How to install BTI 451-BBLK-BTI 7.4V 51Wh Li-Ion Battery

• Power down the laptop completely, unplug the charger, and close the lid.
• Turn the device over and remove the back cover or battery hatch to access the battery compartment.
• Disconnect the existing battery connector and carefully lift the old pack from its bay.
• Align the new BTI 451-BBLK-BTI battery with the connectors and slide it into the bay, ensuring a secure fit.
• Reconnect the battery connector, secure the battery with any screws or latches as in the original setup, replace the back cover, and plug in the charger to perform a full initial charge.

Frequently asked questions

• Is this battery compatible with Dell Latitude E5450 and E5550? Yes. It is designed as a replacement for those models, covering the Latitude E5450 and E5550 families.
• What is the capacity and voltage? It is a 7.4V Li‑Ion battery with a rated capacity of 51Wh, delivering solid performance for extended use between charges.
• Which OEM part numbers does it replace? It replaces 0G5M10, 451-BBLK, 451-BBLL, 451-BBLN, 5XFWC, 8V5GX, F5WW5, G5M10, K9GVN, PF59Y, R9XM9, VMKXM, WYJC2, YM3TC, among others listed in the product details.
• Is there a warranty on the battery? Yes. The BTI 451-BBLK-BTI is covered by an 18-month manufacturer warranty, providing confidence in the battery’s durability and performance.
• How should I care for and charge this battery? Use the original charger for charging, avoid exposing the battery to extreme temperatures, and follow standard care practices for Li‑Ion packs. For best results, charge fully before first use and avoid prolonged deep discharges.
• What should I expect in terms of performance? You should experience reliable power delivery for everyday tasks such as web browsing, document editing, streaming, and light multimedia, with improved unplugged runtime compared to older or lower-capacity packs.