SKU: 72815955093

BTI HP-PB640G2 10.8V 37WHR LI-ION BATTERY 801517-421, CI03, T7B31AA, 801517-541, CI03048XL-PR, 801554-001, CI03XL, 801554-002 PROBOOK 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, 655 G3

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Description

BTI HP-PB640G2 10.8V 37WHR LI-ION BATTERY 801517-421, CI03, T7B31AA, 801517-541, CI03048XL-PR, 801554-001, CI03XL, 801554-002 PROBOOK 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, 655 G3Keep your HP ProBook ready for work anywhere with the BTI HP PB640G2 replacement battery. This 10. 8V 37Wh Li Ion battery is designed to deliver reliable performance for busy professionals who depend on long lasting power in their ProBook 640 G2 G3, 645 G2 G3, 650 G2 G3, and 655 G2 G3 laptops. Engineered as a high quality OEM compatible battery, it offers seamless compatibility with the original components while providing a cost effective alternative

Keep your HP ProBook ready for work anywhere with the BTI HP-PB640G2 replacement battery. This 10.8V 37Wh Li-Ion battery is designed to deliver reliable performance for busy professionals who depend on long-lasting power in their ProBook 640 G2/G3, 645 G2/G3, 650 G2/G3, and 655 G2/G3 laptops. Engineered as a high-quality OEM-compatible battery, it offers seamless compatibility with the original components while providing a cost-effective alternative to OEM parts. Whether you are a student, remote worker, or field professional, this BTI battery helps you stay productive by extending your notebook’s run time between charges. With its robust Li-Ion chemistry and protective electronics, you can count on stable voltage delivery, consistent capacity, and safer operation across daily tasks, from document editing to presentations and multi-tab browsing.

  • Compatibility: Specifically engineered for HP ProBook models including 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, and 655 G3, ensuring a snug fit, balanced weight, and uninterrupted performance.
  • High-quality Li-ion cells: Built to deliver stable power with strong cycle life and minimal memory effect, providing dependable run time and consistent performance throughout the battery’s lifespan.
  • OEM-part numbers and compatibility: Matches OEM references 801517-421, 801517-541, 801554-001, 801554-002 and corresponding CI03, CI03XL, T7B31AA, CI03048XL-PR, ensuring broad compatibility with HP service parts and authorized retailers.
  • Safety and protective features: Includes built-in protection against overcharge, over-discharge, short-circuit, and overheating, helping safeguard your HP ProBook and its data during daily use and charging cycles.
  • Easy installation and reliable service: A straightforward replacement battery designed to fit the ProBook lineup with minimal downtime; a practical, ready-to-go upgrade that sustains productivity without the need for complex tools.

Technical Details of BTI HP-PB640G2 Battery

  • Model: BTI HP-PB640G2
  • Voltage: 10.8V
  • Capacity: 37WHR
  • Chemistry: Li-ion
  • Type: Replacement Battery
  • OEM-compatible references: 801517-421, 801517-541, 801554-001, 801554-002; CI03, CI03XL, CI03048XL-PR, T7B31AA
  • Compatible HP ProBook models: 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, 655 G3
  • Form factor: External notebook battery designed for easy insertion into the ProBook bay
  • Safety features: Built-in protection circuitry for overcharge, short-circuit, and thermal management

How to Install BTI HP-PB640G2 Battery

Step 1 – Power down and prepare: Shut down your HP ProBook completely, disconnect from any power source, and save your work. Place the laptop on a clean, flat surface with adequate lighting to support a safe replacement.

Step 2 – Access the battery bay: Flip the device over and locate the service panel or battery cover. Depending on your model, you may need to remove a single back plate or the entire bottom cover. Use the appropriate screwdriver to remove the screws and keep them in a safe place.

Step 3 – Remove the old battery: Detach any connectors or latches securing the existing battery. Carefully lift the old battery from its bay, taking care not to pinch cables or damage surrounding components.

Step 4 – Install the new BTI battery: Align the new battery to the bay and gently slide it into place until the connectors seat firmly. Reconnect any cables and re-engage locking tabs if present. Make sure the battery sits flat and secure within the chassis.

Step 5 – Reassemble and test: Replace the bottom cover or service panel and tighten the screws. Connect the charger, power on the notebook, and verify battery recognition in the operating system. Allow the battery to reach full charge before heavy use to ensure accurate calibration and optimal performance.

Step 6 – Care and maintenance: To maximize life, avoid exposing the battery to extreme temperatures for extended periods, calibrate periodically by performing a full discharge and recharge cycle as needed, and store in a cool, dry place when not in use for extended periods.

Frequently asked questions

  • Q: Is the BTI HP-PB640G2 compatible with all HP ProBook models?

    A: This battery is designed for a specific range of HP ProBook models, including 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, and 655 G3. Always verify model compatibility using your device’s battery part number or HP documentation before purchase.

  • Q: What are the key advantages of choosing a BTI replacement battery over the OEM part?

    A: BTI replacement batteries offer dependable power, cost savings, and broad compatibility with a focus on quality Li-ion cells, protective circuitry, and reliable performance. They’re designed to deliver strong cycle life and consistent power without requiring proprietary tools or procedures.

  • Q: How do I maximize the life of my BTI HP-PB640G2 battery?

    A: For best results, keep the battery within recommended temperatures, avoid deep discharges, perform calibrated charging cycles periodically, and use the provided battery within the laptop’s supported operating ranges. Regularly update the BIOS and maintain proper charging habits.

  • Q: Does this battery come pre-charged?

    A: Replacement batteries typically ship with a partial charge and will require a full initial charge. Connect to the charger and allow the battery to reach full capacity before heavy use to ensure accurate calibration and extension of lifespan.

  • Q: How can I identify the right OEM part number for my HP ProBook?

    A: Check your device’s battery label, service manual, or HP support resources for the exact part numbers such as 801517-421, 801517-541, 801554-001, and 801554-002. Cross-reference with the CI03, CI03XL, or T7B31AA designations to confirm compatibility.

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
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 72815955093

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4.6 ★★★★★
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J
Verified Purchase
Jennifer G
Chelsea, US
★★★★★ 3
Madison Deserved Better
Format: Kindle
Madison was a beta...except she wasn't any longer. She was a late presenting Omega. And she was struggling. She was tall and thin, not tiny and curvy. She was opinionated. She was everything an Omega was not. After suffering through her first heat, her friends took her to Ardor, a club where Omegas came to safely find Alphas. She's not expecting much but then she connects with a sexy beta. And when she meets his Alphas, they set her body on fire. Maybe, she's found her no-strings-attached heat pack. Maybe, she's found something more. I could not connect with the characters in this book, so their story never resonated with me. And there was no love story; there was sex. Grey made it clear from the beginning that he had a true love and it was his beta boy, Rian. He went so far as to reassure Rian “Say the word, I’ll never touch her again. Lucas can put the babies in her. I only need you, beta boy”. So, Madison was there for babies, no emotions needed. Nice. No, thank you. I want the Omega to be the center of their world, not an incubator. Lucas and Rian weren't any better. After her heat, they let her leave. Not one of them made her feel valued. No one gave her a reason to stay or even offered a cuddle. And the sex didn't even come across as mind-blowing. Madison deserved better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2025
O
Verified Purchase
Oregon BookWorm
Bozeman, US
★★★★★ 5
No breakup, very sweet, instalove
Format: Kindle
Omegaverse and doesn't disappoint! Sweet guys, newly Omega FMC. The boyfriends are boyfriends. What's not to love? No angst, no breakup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2025
F
Verified Purchase
ForTheLOVEofBooks
Houston, US
★★★★★ 4
Pretty Darn Good
Format: Kindle
So I’ve been on a omega kick and this definitely hit the spot. Madison was frustrating at times with how she acted towards Lucas, Gray, and Rian. It was like she said towards the end, she didn’t believe she deserved nice things. It would have been nice to hear from her best friends again. They kind of were there in the beginning and the gone except for mention of text messages received from them. I feel like her friends would have been great help in encouraging Madison to go with the pack and never give Brent another chance because he was toxic. I loved Rian. His personality was awesome. His humor. His ability to make Madison comfortable whenever she was feeling overwhelmed. And the fact he fell for her and she fell for him first. They are cute together. I do feel like Lucas was the odd man out though. Like Lucas didn’t develop as much of a relationship with Madison. I would have really liked to see more development in the relationship between them. It was also the same with him and Rian. There is really no relationship displayed. Most of the relationship being displayed is between Rian and Gray. Nevertheless, I loved reading about the dynamic that came to fruition during the entirety of this story. Madison finally got her happiness. And Brent finally got punched in the face. Everyone got exactly what they deserve.
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Reviewed in the United States on September 6, 2022
E
Verified Purchase
ediebegonia
New York, US
★★★★★ 3
Pack's Promise was okay but not great
Format: Kindle
Pack's Promise was okay but not great. I won't recommend it to anyone that I know. PRO: * Very likable characters * Lots of steamy scenes that are written very well * The spelling and grammar are good * The punctuation is good with the exception of using hyphens instead of commas. Lots of hyphens. Lots and lots of hyphens. CON: * Almost no interactions with any characters outside of Madison and the pack * Nearly no plot. They meet, get together for a heat, agree to make it permanent, done * Quite a few typos such as extraneous words, missing words and words out of order THINGS TO KNOW: * More steamy scenes than storytelling * A lot of MM & MMM, some MFMM during heat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2023
L
Verified Purchase
LJM
Waukegan, US
★★★★★ 5
such a good read
Format: Kindle
Madison, Lucas, Grey and Rian were made for each other!!! First time reading from this author and I’m not disappointed!!! Absolutely love the Love in this book and couldn’t ask for a better OV!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 25, 2023

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