Replacing the battery of an HP ProBook 450 G3 laptop takes only 5 minutes
Replacing your HP ProBook 450 G3 laptop battery is much easier than you think. No soldering required. No BIOS modifications needed. No repair fees. All you need is a screwdriver and 5 minutes. Read this article and you'll be able to do it easily.1. What kind of battery does your HP ProBook 450 G3 laptop need?
The HP ProBook 450 G3 (and its siblings, the 455 G3 and 470 G3) originally came with two main HP ProBook 450 G3 Laptop battery models: RI04 and RI06XL.
Common OEM part numbers include: 805294-001, 805047-851, 811063-421, HSTNN-DB7B, HSTNN-PB6Q, P3G15AA, P3G16AA, etc.2. A Five-Minute Easy Guide to Replacing the Battery in an HP ProBook 450 G3 Laptop
Tools Needed: A small Phillips screwdriver (like the kind used for eyeglasses) + your new RI04 battery.
Step 1 – Turn off and unplug the power cord to save your work and completely shut down the laptop. Unplug the power adapter. Turn the laptop over so the bottom is facing up.
Step 2 – Unscrew the battery screws. On the bottom of the ProBook 450 G3, you will see two (sometimes only one) prominent Phillips screws that secure the battery compartment. Unscrew the screws and place them in a small container – do not lose them.
Step 3 – Slide out the old HP ProBook 450 G3 Laptop battery. After unscrewing the screws, the battery module will pop out slightly or feel loose.
Step 4 – Install the new HP ProBook 450 G3 laptop battery.
Step 5 – Reinstall the screws and power on the laptop.
3. What will happen after replacing the battery in your HP ProBook 450 G3 laptop?
Some people might ask, "This laptop is six or seven years old, will replacing the battery really make a big difference?" The answer is yes—and the difference is significant. We tested the same ProBook 450 G3 (i5-6200U, 8GB RAM, 256GB SSD) with a heavily worn old battery and our newly released 38Wh RI04 battery:
Usage Scenarios: Old Battery (60%+ worn) New RI04 38Wh HP ProBook 450 G3 Laptop batteryLibrary – Reading PDFs + Writing Papers HP ProBook 450 G3 battery warning appears after approximately 1.5 hours Continuous use for over 5 hours
Zoom/Teams Online Course Battery depleted after 40 minutes Full 2-hour course, 30% battery remaining
Watching 1080p YouTube/Bilibili Videos Less than 2 episodes Continuous viewing of 5 episodes (approximately 4 hours)
You didn't lose a laptop—you just lost a heavily worn HP ProBook 450 G3 Laptop battery. After replacing the battery in your HP ProBook 450 G3 laptop, your ProBook 450 G3 can once again easily handle an afternoon at Starbucks, a long wait in the library from opening to closing, or a full movie on a train. Its core specifications—the i5/i7 processor, the 15.6-inch anti-glare screen, and the comfortable keyboard—remain as good as new.
Conclusion
The HP ProBook 450 G3 is an excellent laptop. It has accompanied you through papers, hundreds of PowerPoint presentations, and countless late nights of work. It's not outdated—it's just a little old. A new battery can extend its lifespan by another 2-3 years.
Replacing your HP ProBook 450 G3 Laptop batterytakes only five minutes and costs less than the price of two pizzas. This will be the smartest investment you make in your laptop this year.
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2026-04-28 11:34:04
