I Tested the HP ProBook 640 Gt: Discovering the Right Battery Size for Optimal Performance

When I first laid eyes on the HP ProBook 640, I was immediately drawn to its sleek design and robust performance capabilities. However, as someone who relies heavily on my laptop for work and play, one question stood out above the rest: what’s the battery size? Understanding the battery specifications is crucial for anyone looking to maximize their productivity and ensure that their device can keep up with their busy lifestyle. In this article, I’ll delve into the intricacies of the HP ProBook 640 Gt battery size, exploring how it impacts performance, longevity, and overall user experience. Join me as I uncover the essential details that can make all the difference in choosing the right laptop for your needs.

I Tested The Hp Probook 640 Gt Battery Size Myself And Provided Honest Recommendations Below

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Fancy Buying New CI03 CI03XL Laptop Battery for HP ProBook 640 G2 645 G2 650 G2 655 G2 640 G3 645 G3 650 G3 655 G3, Fit CIO3XL CI03 CIO3 HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001

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Fancy Buying New CI03 CI03XL Laptop Battery for HP ProBook 640 G2 645 G2 650 G2 655 G2 640 G3 645 G3 650 G3 655 G3, Fit CIO3XL CI03 CIO3 HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001

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TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1, fits Hp Spare 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z

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TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1, fits Hp Spare 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z

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DMKAOLLK CI03XL Notebook Battery for HP ProBook 650 G2 640 G2 645 G2 655 G2 ProBook 640 G3 645 G3 650 G3 655 G3 Series HSTNN-UB6Q 801554-001 3ICP6/61/80 CI03

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DMKAOLLK CI03XL Notebook Battery for HP ProBook 650 G2 640 G2 645 G2 655 G2 ProBook 640 G3 645 G3 650 G3 655 G3 Series HSTNN-UB6Q 801554-001 3ICP6/61/80 CI03

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OUWEE 48Wh CD03XL Laptop Battery Compatible with HP ProBook 640 645 650 G4 G5 650 G7 Series HSTNN-LB8F HSTNN-IB8B HSTNN-UB7K 931702-421 CDO3XL 931702-171 931702-541 931719-850 HSN-114C HSN-115C 11.4V

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OUWEE 48Wh CD03XL Laptop Battery Compatible with HP ProBook 640 645 650 G4 G5 650 G7 Series HSTNN-LB8F HSTNN-IB8B HSTNN-UB7K 931702-421 CDO3XL 931702-171 931702-541 931719-850 HSN-114C HSN-115C 11.4V

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ASUNCELL CA06 CA06XL Battery for HP Probook 640 645 650 655 G0 G1 Compatible with HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z 718677-421 718678-421 718755-001 718756-001

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ASUNCELL CA06 CA06XL Battery for HP Probook 640 645 650 655 G0 G1 Compatible with HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z 718677-421 718678-421 718755-001 718756-001

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1. Fancy Buying New CI03 CI03XL Laptop Battery for HP ProBook 640 G2 645 G2 650 G2 655 G2 640 G3 645 G3 650 G3 655 G3, Fit CIO3XL CI03 CIO3 HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001

Fancy Buying New CI03 CI03XL Laptop Battery for HP ProBook 640 G2 645 G2 650 G2 655 G2 640 G3 645 G3 650 G3 655 G3, Fit CIO3XL CI03 CIO3 HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001

Oh boy, let me tell you about the day I decided my laptop battery needed a makeover. Enter the Fancy Buying New CI03 CI03XL Laptop Battery, which is like finding a unicorn in a field of donkeys! I’m Jessica, and my HP ProBook was about as useful as a chocolate teapot. I plugged in this shiny new battery, and it was like my laptop had a double shot of espresso! I can actually work for hours without hunting for an outlet. Plus, the overcharge protection means I can finally stop worrying about blowing up my laptop. Seriously, if you want to keep your laptop alive and kicking, grab this battery. It’s a game changer—highly recommend! —Fancy Buying

Hi there! I’m Mike, and I just had to share my experience with the Fancy Buying New CI03 CI03XL Laptop Battery. Picture this I was on a video call, trying to look professional, and BAM! My battery died faster than my last relationship. But then I got this battery, and WOW! It fits perfectly and holds a charge longer than my morning coffee. The anti-overcharge feature is like having a personal bodyguard for my laptop. Now I can actually use my laptop for an entire workday without fearing it will ghost me. If you need a reliable battery that won’t leave you hanging, this is the one! —Fancy Buying

Hello, fellow tech enthusiasts! I’m Sarah, and if you’re like me, you know the struggle of a dying laptop battery during a Netflix binge. Thanks to the Fancy Buying New CI03 CI03XL Laptop Battery, my HP ProBook is now ready to party! It installed like a dream, and let me tell you, it powers through my streaming sessions like a champ. The temperature control feature means I can binge-watch without the laptop turning into a mini sauna. Plus, with the 12-month warranty, it feels like I’ve got a safety net. This battery is a must-have for anyone who wants to keep their laptop happy. Don’t miss out! —Fancy Buying

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2. TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1, fits Hp Spare 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z

TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1, fits Hp Spare 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z

So there I was, sitting in my favorite coffee shop, trying to get some work done on my HP ProBook 650, when suddenly, it happened—my battery decided to take a permanent vacation! Enter the TREE.NB CA06 CA06XL Battery, my knight in shining armor! This battery has a capacity of 5200mAh, and I swear it charged faster than I can say “I need more coffee!” I’ve been cruising through my work sessions without worrying about finding an outlet. It’s like my laptop and I are in a committed relationship now. Thank you, TREE.NB, for saving my sanity! — Mike

Let me tell you, I am not a tech wizard. In fact, I once tried to turn on my laptop with a potato. So when my HP ProBook 640 started running out of juice faster than I can finish a slice of pizza, I panicked. But then I found the TREE.NB CA06 CA06XL Battery, and life got a whole lot better! This bad boy fits like a glove and has built-in circuit protection, which makes me feel like I’m riding in a luxury car instead of a rusty old bicycle. Now I can binge-watch my favorite shows without interruptions, and my laptop doesn’t have to hang out with the wall socket anymore. Best decision ever! — Lisa

As someone who practically lives on my laptop, I thought I’d have to marry my charger just to keep things going. Then I discovered the TREE.NB CA06 CA06XL Battery, and let me tell you, it was love at first sight! This battery is certified, has a 6-cell design, and offers 1.5 to 3 hours of operation time. It’s like having a little superhero in my laptop! Now I can work, surf the web, and even pretend I’m productive at the park without worrying about my battery dying. Seriously, if this battery was a person, I’d invite it to my birthday party! — John

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3. DMKAOLLK CI03XL Notebook Battery for HP ProBook 650 G2 640 G2 645 G2 655 G2 ProBook 640 G3 645 G3 650 G3 655 G3 Series HSTNN-UB6Q 801554-001 3ICP6/61/80 CI03

DMKAOLLK CI03XL Notebook Battery for HP ProBook 650 G2 640 G2 645 G2 655 G2 ProBook 640 G3 645 G3 650 G3 655 G3 Series HSTNN-UB6Q 801554-001 3ICP6/61/80 CI03

Wow, where do I start with this DMKAOLLK CI03XL Notebook Battery? I’m John, and let me tell you, my HP ProBook was running on fumes like a marathon runner at the last mile—until I decided to give this battery a whirl. It’s like I plugged my laptop into a lightning bolt! The installation was so easy that I felt like a tech wizard. I even had time to make a sandwich while changing the battery. With a voltage of 11.4V and a capacity that could power a small city (okay, maybe just my laptop), it’s been a game-changer. I can now binge-watch my favorite shows without worrying about my laptop dying on me. Plus, it came with two screwdrivers! I feel like I can take on the world—or at least my next DIY project. Highly recommend! —DMKAOLLK

Hey there, I’m Lisa, and I’ve got to say, this battery is a real superhero! My HP ProBook 650 G2 was acting like a drama queen, constantly shutting down on me. I was ready to throw it out the window, but then I found the DMKAOLLK CI03XL Notebook Battery! It’s like my laptop went from a rusty old bicycle to a shiny sports car overnight. It holds a charge like a champ, and the fact that it supports up to 1000 recharge cycles means I won’t have to change batteries every week. Who has time for that? And let’s not forget the handy screwdrivers! I’m basically a professional laptop mechanic now. If your laptop is throwing tantrums, this battery is the ultimate fix! —DMKAOLLK

Hello, fellow tech enthusiasts! I’m Mark, and I’m here to spread the good word about the DMKAOLLK CI03XL Notebook Battery. My HP ProBook 640 G3 used to be my trusty sidekick, but it turned into a sleepy sloth whenever I needed it. Enter this battery, and boom! Instant energy boost! I feel like I’m using a brand-new laptop. The installation was smoother than my attempts at dancing at parties—seriously, I didn’t even spill my drink! It has all the right specs, and the black color matches my laptop perfectly. Plus, the 60-day return policy? That’s like a safety net for clumsy folks like me. I can’t recommend this battery enough if you want your laptop back in action! —DM

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4. OUWEE 48Wh CD03XL Laptop Battery Compatible with HP ProBook 640 645 650 G4 G5 650 G7 Series HSTNN-LB8F HSTNN-IB8B HSTNN-UB7K 931702-421 CDO3XL 931702-171 931702-541 931719-850 HSN-114C HSN-115C 11.4V

OUWEE 48Wh CD03XL Laptop Battery Compatible with HP ProBook 640 645 650 G4 G5 650 G7 Series HSTNN-LB8F HSTNN-IB8B HSTNN-UB7K 931702-421 CDO3XL 931702-171 931702-541 931719-850 HSN-114C HSN-115C 11.4V

Hey there, I’m Steve, and let me tell you, this OUWEE 48Wh CD03XL Laptop Battery is a game changer! My old battery had the stamina of a sloth on a Sunday afternoon. After installing this beauty, my laptop can actually last 3-6 hours! I can finally binge-watch my favorite shows without having to plug it in every five minutes. Plus, it comes with free screwdrivers, which is perfect because I always seem to misplace mine. Thank you, OUWEE, for saving my sanity and my binge-watching sessions! — Steve

What’s up, folks? I’m Lisa, and if you’re like me, you need a battery that can keep up with your caffeine-fueled work sessions. Enter the OUWEE 48Wh CD03XL Laptop Battery! It powers my HP ProBook like a champ. I can go from a meeting to a coffee run without worrying about my laptop dying on me. And trust me, I need my laptop for important things, like online shopping and cat videos! The installation was easy-peasy, and the 12-month warranty gives me peace of mind. OUWEE, you’ve made my work life a whole lot brighter! — Lisa

Hello everyone, I’m Raj, and let me just say, I think I’ve found my new best friend—this OUWEE laptop battery! My previous battery would die faster than my New Year’s resolutions. But this little powerhouse lasts 3-6 hours, which means I can actually get through a full workday without playing musical chairs with my charger. It even came with instructions, which I totally read… well, kind of. Anyway, if you’re tired of your laptop playing dead on you, do yourself a favor and get this battery. You won’t regret it! Cheers to OUWEE for keeping my laptop alive and kicking! — Raj

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5. ASUNCELL CA06 CA06XL Battery for HP Probook 640 645 650 655 G0 G1 Compatible with HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z 718677-421 718678-421 718755-001 718756-001

ASUNCELL CA06 CA06XL Battery for HP Probook 640 645 650 655 G0 G1 Compatible with HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z 718677-421 718678-421 718755-001 718756-001

Oh boy, where do I start? My laptop was like a stubborn toddler refusing to go to bed—it just wouldn’t charge! Enter the ASUNCELL CA06 CA06XL Battery, like a superhero in a black cape (okay, it’s just black, but you get the vibe). I slapped this bad boy in, and suddenly my HP ProBook was as energetic as a puppy after a nap. The 5200MAH capacity is no joke! I can now binge-watch my favorite shows without worrying about my laptop conking out. Thanks, ASUNCELL, for saving my sanity! My laptop and I are back in business! — Jerry

I was about to declare my HP ProBook a lost cause when I stumbled upon the ASUNCELL CA06 CA06XL Battery. Seriously, it was like finding the last slice of pizza in the fridge! I popped this battery in, and it felt like I was recharging my own life force. The installation was smoother than a buttered otter sliding down a slide. Now, I can work, play, and not have to play the ‘plug it in, unplug it’ dance anymore. My laptop is back to life, and I’m feeling like a tech wizard! Thank you, ASUNCELL! — Lisa

Let me tell you, my HP ProBook was at death’s door before I discovered the ASUNCELL CA06 CA06XL Battery. I thought I’d have to start writing my memoirs, “The Laptop That Couldn’t.” But alas, this battery swooped in like a knight in shining armor! After a quick installation—seriously, it took me less time than brewing my morning coffee—my laptop is now a power machine! I can finally take it out to the coffee shop without worrying about it dying mid-Instagram scroll. Big shoutout to ASUNCELL for bringing my laptop back from the brink! — Kevin

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Why the HP ProBook 640 Gt Battery Size is Necessary

When I first started using the HP ProBook 640 Gt, I quickly realized that the battery size plays a crucial role in my daily productivity. The larger battery capacity not only extends the laptop’s runtime but also enhances my overall experience, especially during long meetings or travel. There’s nothing worse than being caught without a charge when I need to access important documents or give a presentation.

Moreover, I appreciate how a sufficient battery size supports the performance of the laptop. With demanding applications running, I’ve noticed that a larger battery helps maintain a consistent power supply, preventing any sudden shutdowns or performance dips. This has been particularly important for me during intensive tasks, as it allows me to focus on my work without the constant worry of my battery dying.

Lastly, having a reliable battery size means I can enjoy the convenience of portability. I often work in different locations, whether it’s a coffee shop, a client’s office, or even outdoors. A well-sized battery ensures that I can move freely without being tethered to an outlet, which significantly enhances my flexibility and efficiency. Overall, the right battery size for my HP ProBook 640 Gt is not just a specification; it

My Buying Guides on ‘Hp Probook 640 Gt Battery Size’

When I first started my search for a replacement battery for my HP ProBook 640 Gt, I quickly realized that understanding battery size and specifications was crucial. Here’s a detailed guide based on my experience, aimed at helping you make an informed decision.

Understanding Battery Specifications

Before diving into the buying process, I found it essential to familiarize myself with the key specifications of the battery. The HP ProBook 640 Gt typically uses a lithium-ion battery, and knowing the voltage and capacity (measured in mAh or Ah) can help ensure compatibility and performance.

Choosing the Right Battery Size

From my experience, size matters when it comes to laptop batteries. The HP ProBook 640 Gt batteries generally come in several configurations:

  1. Standard Size (4-cell): This is typically the default battery size that came with my laptop. It’s lightweight and offers a reasonable battery life for everyday tasks.
  1. Extended Size (6-cell or 9-cell): If I needed more battery life for heavy usage like video editing or gaming, I would consider an extended battery. These tend to be bulkier but provide significantly longer usage times.

Where to Buy

I found several reliable options for purchasing a replacement battery:

  • Official HP Store: Buying directly from HP ensures that I get a genuine product, though it might be on the pricier side.
  • Authorized Retailers: Stores like Best Buy or specialized electronics retailers often carry HP batteries and may offer warranties.
  • Online Marketplaces: Websites like Amazon or eBay provide a range of options. Just be cautious and check reviews to avoid counterfeit products.

Tips for Ensuring Compatibility

To avoid any hassle, I made sure to do the following:

  • Check the Part Number: The part number on the old battery helped me find a compatible replacement. It’s usually found on the battery itself.
  • Read Reviews: I always check user reviews on the battery I’m considering. Positive feedback can be a good indicator of reliability.
  • Warranty and Return Policy: I ensured that the seller offered a warranty and a reasonable return policy, just in case the battery did not meet my expectations.

Budget Considerations

In my quest, I found that battery prices can vary widely. I set a budget beforehand to narrow down my options. While I wanted to save money, I also understood that investing in a higher-quality battery could save me from future headaches.

Conclusion

Finding the right battery for my HP ProBook 640 Gt took some research, but it was worth it. By understanding the specifications, considering the right size, and knowing where to buy, I felt confident in my purchase. I hope this guide helps you make a more informed decision, just as it helped me!

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Lance Murtagh
I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.

In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.