SKU: 27346959402

BTI 451-BBLN-BTI 7.4V 51WHR LI-ION BATTERY 0G5M10, 451-BBLN, G5M10, R9XM9, 0WYJC2, 5XFWC, K9GVN, VMKXM, 451-BBLK, 8V5GX, PF59Y, WYJC2, 451-BBLL, F5WW5, PF69Y, YM3TC LATITUDE E5450, E5550

Sale price$77.03 Regular price$85.59
Save 10%

Pay in installments of $21.40 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 31 - Sep 5

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

BTI 451-BBLN-BTI 7.4V 51WHR LI-ION BATTERY 0G5M10, 451-BBLN, G5M10, R9XM9, 0WYJC2, 5XFWC, K9GVN, VMKXM, 451-BBLK, 8V5GX, PF59Y, WYJC2, 451-BBLL, F5WW5, PF69Y, YM3TC LATITUDE E5450, E5550This premium replacement battery is designed to restore your Dell Latitude notebooks power with OEM style performance and reliable, long lasting charge. Built to fit multiple Latitude models, including E5250, E5450, E5550, and the 3550 series, this 2 cell Lithium Polymer battery delivers a steady, consistent output that helps you stay productive on the go. Whether youre traveling, commuting, or working from a cafe, this BTI battery is engineered to

This premium replacement battery is designed to restore your Dell Latitude notebook’s power with OEM-style performance and reliable, long-lasting charge. Built to fit multiple Latitude models, including E5250, E5450, E5550, and the 3550 series, this 2-cell Lithium Polymer battery delivers a steady, consistent output that helps you stay productive on the go. Whether you’re traveling, commuting, or working from a cafe, this BTI battery is engineered to meet the power demands of today’s mobile professionals. It replaces a broad range of SKUs and part numbers, making it a flexible option for several Latitude configurations while keeping a compact form factor that fits neatly in the original battery bay.

  • Long-lasting runtime for busy days: With a 5100mAh capacity, this 2-cell lithium polymer battery provides dependable power to help you complete tasks, create content, and stay connected without frequent recharges.
  • High-energy lithium polymer technology: The Li-Polymer chemistry supports a compact, efficient design with solid energy density, helping you get more minutes of use between charges while keeping a slim profile compatible with the Dell Latitude chassis.
  • Consistent voltage and performance: Rated at 7.4V, this battery delivers stable power to your Latitude notebook, helping maintain consistent performance during intense workloads, multimedia editing, and long browsing sessions.
  • Wide compatibility withLatitude models: Specifically designed to fit Dell Latitude E5250, E5450, E5550, and 3550 series laptops, and it substitutes for multiple original part numbers (including 451-BBLN, PF59Y, PF69Y, G5M10, 8V5GX, VMKXM, WYJC2, 0WYJC2N, and more), making it a versatile replacement option for many Dell configurations.
  • Easy install with OEM-like fit: The battery is shaped to align precisely with the original bay and connector, enabling a straightforward replacement that minimizes the risk of fit issues or misalignment and supports a clean, secure installation.

Technical Details of BTI 451-BBLN-BTI 7.4V 38Wh Li-Polymer Battery

  • Battery type: Lithium Polymer (Li-Polymer)
  • Cells: 2
  • Nominal voltage: 7.4V
  • Capacity: 5100 mAh
  • Energy: 38Wh
  • Compatibility: Dell Latitude E5250, E5450, E5550, and 3550 series
  • Replaces: 451-BBLN, 451-BBLK, PF59Y, PF69Y, G5M10, 8V5GX, VMKXM, WYJC2, 0WYJC2N, 451-BBLL, F5WW5, PF69Y, YM3TC
  • Chemistry compliance: Meets standard safety and quality guidelines for notebook batteries
  • Manufacturer: BTI
  • Form factor: Replacement battery pack designed for the Latitude chassis

how to install BTI 451-BBLN-BTI 7.4V 38Wh Li-Polymer Battery

  • Power down your Dell Latitude and unplug the charger. Place the laptop on a clean, flat surface and close the lid.
  • Flip the notebook over and locate the back panel screws. Use the appropriate screwdriver to remove the screws and carefully lift the back cover to expose the battery bay.
  • Carefully disconnect the old battery from its connector. If the connector is tight, gently wiggle while pulling straight out to avoid damaging the socket.
  • Align the new BTI battery with the bay, ensuring the connector lines up with the motherboard socket. Seat the battery firmly into place so it sits flat and secure.
  • Reconnect the battery connector to the motherboard, then replace the back cover and secure it with the screws you removed earlier. Ensure there are no loose components.
  • Connect the charger and power on the device. Allow the battery to reach a full charge (ideally 100%) before first-time use and perform a full discharge/charge cycle a few times to calibrate the battery meter for accurate remaining-life readings.
  • Monitor temperature during initial uses. If the device becomes unexpectedly warm or if you notice any abnormal behavior, power down and recheck all connections, ensuring the back cover is properly sealed to aid cooling.

Frequently asked questions

  • Q: Is this battery compatible with my Dell Latitude model? A: Yes. It is designed to fit Dell Latitude E5250, E5450, E5550, and 3550 series notebooks and replaces multiple original part numbers such as 451-BBLN, PF59Y, PF69Y, and other listed SKUs.
  • Q: What are the key specifications? A: The battery is a Lithium Polymer (Li-Polymer) pack with 2 cells, 7.4V nominal voltage, 5100mAh capacity, and 38Wh energy rating.
  • Q: Is it an OEM replacement or a third-party option? A: It is a BTI replacement battery designed to match OEM form factor and compatibility for Dell Latitude devices.
  • Q: How long will this battery last between charges? A: Runtime varies with usage, screen brightness, and workload. On typical day-to-day tasks, you can expect a reliable recharge interval similar to other 5100mAh, 7.4V Li-Polymer batteries of this class.
  • Q: How should I maximize battery life and longevity? A: For best results, use the laptop on balanced power settings, avoid exposing the battery to extreme temperatures, perform occasional full-charge and calibration cycles, and store the battery with a partial charge if it will not be used for an extended period.
  • Q: Is it safe to use this battery immediately after installation? A: Yes. After installation, connect to power and allow a full charge. Use the device normally once the battery has calibrated through initial discharge/charge cycles and the charging indicator shows proper charging activity.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27346959402

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 12 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
Tatacrio
Birmingham, US
★★★★★ 5
Best liner socks EVER
Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
C
Verified Purchase
Christy F
Alexandria, US
★★★★★ 5
Great socks
Size: Medium, Color: Pink - 647
Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
C
Verified Purchase
Cait E
Massapequa, US
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed. I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood). Overall: high recommend based on my experience so far!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025
M
Verified Purchase
Maggie Vega
West Palm Beach, US
★★★★★ 5
Great fit!
Size: Medium, Color: (403) Washed Navy / Washed Navy / Blue Smoke
Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
K
Verified Purchase
Kira Stewart
Draper, US
★★★★★ 5
My favorite socks
Size: Medium, Color: (659) Fuchsia Dusk / Fuchsia Dusk / Tourmaline Pink
Very comfortable. True to size. Moisture wicking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026

recommand products