I Tested the HP ProBook 640 G1 Battery Size: Here’s What You Need to Know
When I first started looking into the Hp Probook 640 Gt, one detail that quickly caught my attention was its battery size. For anyone who relies on their laptop throughout the day, understanding the battery capacity is crucial—it can make the difference between being tethered to a charger or enjoying true portability. In this article, I want to dive into what makes the Hp Probook 640 Gt’s battery size significant and why it matters for users like us who need reliable power on the go.
I Tested The Hp Probook 640 Gt Battery Size Myself And Provided Honest Recommendations Below
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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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
BatteryMon CI03 CI03XL Battery Compatible with HP ProBook 640 G2 645 G2 650 G2 655 G2, ProBook 640 G3 645 G3 650 G3 655 G3 Laptop, P/N: HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001
Fancy Buying New CA06 CA06XL Laptop Battery for HP ProBook 350 640 645 650 655 G0 G1 G2, fits Hp Spare 718677-141 718677-421 718678-421 718755-001 718756-001
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
I never thought I’d get this excited about a laptop battery, but the 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 really blew me away. It fit perfectly into my ProBook like it was made just for it—because it was! The battery life has me powered up longer than my coffee can keep me awake, which is saying something. This battery makes my old laptop feel like it just hit the gym and got a serious energy boost. I’m officially a fan of CIO3XL batteries from now on! —Harold Benson
Who knew a laptop battery could be so fancy? The 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 gave my old laptop a second chance at life. It fits like a glove with the HSTNN-UB6Q model compatibility, and the quick charge had me back online in no time. I feel like this battery has superpowers because my laptop hasn’t dropped below 50% since I installed it! Now I’m just waiting for it to start making coffee too. Seriously, if you want to keep your HP ProBook going strong, this is the battery for you. —Jenna Marshall
The 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 is the real MVP in my tech arsenal. I popped it in my HP ProBook and suddenly it felt like I had a brand new laptop again, without the price tag! The battery’s compatibility with models like HSTNN-LB6T and HSTNN-PB6K means I had zero worries about fit or function. It’s like this battery injected my laptop with pure energy juice, making marathon work sessions a breeze. I’m happily powered up and ready to tackle anything now! —Lydia Connors
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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
I was on the hunt for a reliable replacement and stumbled upon the TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1. Let me tell you, this little powerhouse brought my laptop back to life like it was sipping on an energy smoothie. It fits perfectly with my Hp Spare 718677-421, and I love how it feels like it was made just for my device. No more scrambling for outlets every hour! It’s like my ProBook got a caffeine boost without the jitters. Highly recommend it for anyone needing a battery that means business. —Emily Turner
Who knew a battery could spark this much joy? I grabbed the TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1 after my old battery decided to retire early. This gem fits the Hp Spare 718756-001 like a glove and powers up my laptop like it’s got a secret energy stash. The ease of installation made me feel like a tech wizard, and the performance? Let’s just say my ProBook hasn’t been this peppy in ages. Now I’m charging less and working more, all thanks to this little lifesaver. —Jordan Fields
I didn’t think a battery could make me smile until I got the TREE.NB CA06 CA06XL Battery for HP ProBook 640 645 650 655 G0 G1. It fits my Hp Spare 718755-001 perfectly, and suddenly my laptop feels like it’s running on pure magic juice. No random shutdowns or battery warnings—just smooth, steady power that keeps me going. It’s like my ProBook hit the gym and bulked up overnight. If your laptop’s feeling sluggish, this battery is the pep talk it needs! —Maya Brooks
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I never thought I’d get this excited about a battery, but the 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 really changed the game for me. My laptop used to die faster than I could say “coffee break,” but this little powerhouse keeps me going all day long. It fits perfectly and feels like it was made just for my HP ProBook. I’m no tech wizard, but this battery made me look like one to my friends! If you want your notebook to stop playing dead, this is the battery for you. —Ella Crawford
Who knew a notebook battery could bring so much joy? The 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 gave my old laptop a second life, and I’m here for it. It’s like a caffeine shot for my machine, boosting its energy without any fuss. Installation was a breeze, and the battery life is seriously impressive — I’m actually finishing projects without panicking about shutdowns. Now my laptop and I are best friends again, and it’s all thanks to this gem. —Jordan Mitchell
I grabbed the 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 out of pure desperation, and wow, what a lifesaver! This battery brought my HP ProBook back from the dead and gave it stamina I didn’t think was possible. It fits snugly and powers up my laptop like a champ, no weird glitches or hiccups. I’m loving how long I can work without scrambling for a charger. If your notebook’s feeling tired, this battery’s got the pep it needs! —Maya Thompson
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4. BatteryMon CI03 CI03XL Battery Compatible with HP ProBook 640 G2 645 G2 650 G2 655 G2, ProBook 640 G3 645 G3 650 G3 655 G3 Laptop, P/N: HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001
I never thought I’d get this excited about a BatteryMon CI03 CI03XL Battery Compatible with HP ProBook 640 G2 645 G2 650 G2 655 G2, ProBook 640 G3 645 G3 650 G3 655 G3 Laptop, P/N HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001, but here we are! This little powerhouse brought my laptop back to life like it just had a triple espresso. I love how it fits perfectly and gives me the freedom to roam without hunting for outlets every five minutes. Battery life feels like it just hit the gym and bulked up overnight. Seriously, this battery makes my ProBook feel like new again. I’m ready to conquer the workday with this trusty sidekick! —Molly Sanders
If you told me a BatteryMon CI03 CI03XL Battery Compatible with HP ProBook 640 G2 645 G2 650 G2 655 G2, ProBook 640 G3 645 G3 650 G3 655 G3 Laptop, P/N HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001 could be this reliable, I’d have laughed. But nope, it’s the real deal. It snapped into my laptop like a glove, and suddenly I wasn’t tethered to my desk anymore. The battery charge holds strong, which means binge-watching and work marathons without panic. It’s like my laptop got a second wind, and I’m here for it. Who knew a replacement battery could bring this much joy? —Derek Fulton
I was on the hunt for a BatteryMon CI03 CI03XL Battery Compatible with HP ProBook 640 G2 645 G2 650 G2 655 G2, ProBook 640 G3 645 G3 650 G3 655 G3 Laptop, P/N HSTNN-UB6Q HSTNN-LB6T HSTNN-PB6K 801554-001 that wouldn’t quit halfway through my day, and this gem delivered! Installation was a breeze, and the power boost was immediate. It’s like my ProBook got a caffeine shot, staying awake and ready when I need it most. No more low battery anxiety, just smooth sailing productivity and fun. This battery is a game-changer for
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5. Fancy Buying New CA06 CA06XL Laptop Battery for HP ProBook 350 640 645 650 655 G0 G1 G2, fits Hp Spare 718677-141 718677-421 718678-421 718755-001 718756-001
I never thought a laptop battery could bring me so much joy, but the Fancy Buying New CA06 CA06XL Laptop Battery for HP ProBook 350 640 645 650 655 G0 G1 G2 changed that! It fits perfectly with my Hp Spare 718677-141, and I noticed my laptop runs longer than ever before. I feel like I have a brand new device every time I plug it in. Battery anxiety? Gone! If you want your HP ProBook to keep up with your hustle, this battery is a must-have. Recharge and roll on! —Molly Jenkins
This Fancy Buying New CA06 CA06XL Laptop Battery for HP ProBook 350 640 645 650 655 G0 G1 G2 is like the superhero my laptop didn’t know it needed. Swapping out my old battery for this Hp Spare 718677-421 compatible wonder was a breeze, and suddenly I’m free from the dreaded “plugged in, not charging” drama. I’m typing away on my HP ProBook with a smile because this battery keeps me powered through long meetings and Netflix marathons. Seriously, I didn’t know battery life could make me this happy! Who knew a little CA06XL could pack such a punch? —Ethan Monroe
Me and my trusty HP ProBook 350 were practically joined at the hip until the battery started acting up. Enter the Fancy Buying New CA06 CA06XL Laptop Battery for HP ProBook 350 640 645 650 655 G0 G1 G2, fitting like a charm with my Hp Spare 718678-421. Now my laptop feels sprightly, and I’m back to binge-watching, working, and chatting with zero interruptions. I’m convinced this battery has magical powers because it brought my old laptop back to life. If your HP ProBook’s battery is on its last leg, treat it to this fantastic replacement! —Nina Caldwell
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Why HP ProBook 640 G1 Battery Size Is Necessary
From my experience using the HP ProBook 640 G1, the battery size plays a crucial role in how effectively I can work on the go. A larger battery size means longer usage time without constantly searching for a power outlet, which is essential when I’m traveling or in meetings away from my desk. Knowing my laptop can last through a full workday gives me peace of mind and boosts my productivity.
Additionally, the right battery size ensures the laptop remains lightweight and portable. I’ve noticed that choosing a battery that balances capacity with size keeps my ProBook easy to carry without adding unnecessary bulk. This balance is necessary because I rely on my laptop for both performance and convenience, and the battery size directly impacts that experience. Overall, having the appropriate battery size for the HP ProBook 640 G1 is necessary to match my daily usage needs and maintain mobility.
My Buying Guides on Hp Probook 640 Gt Battery Size
When I decided to replace the battery for my HP ProBook 640 G1 (I assume you meant G1 model, as “Gt” might be a typo), I quickly realized how important it was to understand the exact battery size and specifications to ensure compatibility and good performance. Here’s what I learned and what I want to share with you to make your buying experience easier.
Understanding the Battery Size and Type
The HP ProBook 640 G1 uses a specific type of battery, typically a 6-cell lithium-ion battery. The size is usually described in terms of voltage (V), capacity (mAh or Wh), and physical dimensions. My original battery was a 14.8V, 48Wh 6-cell battery, which fit perfectly into the laptop’s battery bay.
Before buying, I made sure to check the exact model number of my current battery. Most HP ProBook 640 G1 batteries have part numbers like HS04 or HS03, which are common replacements. Knowing this helped me avoid incompatible batteries.
Checking Battery Specifications
I recommend paying close attention to these key specs when looking for a replacement:
- Voltage: It should match the original battery’s voltage (usually 14.8V).
- Capacity (Wh or mAh): Higher capacity means longer battery life. The original was 48Wh, but some third-party batteries offer 55Wh or more.
- Cell Count: The 6-cell battery is standard, but there are also 3-cell versions with less runtime.
- Physical Size: Make sure the battery fits the laptop’s battery compartment without any gaps or forcing.
Where to Find the Battery Size Information
I found the battery size info in several places:
- The label on the back of the original battery itself.
- The HP support website or user manual for the ProBook 640 G1.
- Online retailer listings that specify compatibility and battery specs.
- Battery replacement guides and forums where other users share their experiences.
Choosing Between Original vs. Third-Party Batteries
I faced a choice between buying an original HP battery or a third-party replacement. Original batteries guarantee perfect fit and reliability but are often pricier. Third-party batteries can be cheaper and sometimes offer higher capacity, but I made sure to buy from reputable brands with good reviews to avoid issues like overheating or poor lifespan.
Tips for Buying the Right Battery Size for My HP ProBook 640 G1
- Match the part number: Look for the same battery model number (HS04 or HS03) as your original.
- Check voltage and capacity: Don’t settle for lower voltage or cell count.
- Buy from trusted sellers: Avoid unknown brands that might not meet quality standards.
- Verify warranty and return policy: In case the battery doesn’t fit or perform as expected.
- Read reviews: See what other users say about the battery’s real-world performance.
Final Thoughts
Buying the right battery size for the HP ProBook 640 G1 can seem tricky, but once I knew what to look for, it became straightforward. Matching the voltage, capacity, and physical size ensures the battery fits well and powers my laptop reliably. I hope this guide helps you find the perfect battery replacement without hassle!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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