Is there a question about replacing a CMOS battery?
Is there a question about replacing a CMOS battery?
Hi everyone,
I own an HP 460 G7 Laptop that requires a new CMOS battery, but I'm not familiar with replacing one on a laptop before. I have a few questions:
1) Do different connector types exist based on the device's Make/Model? Or are they all identical?
2) Since the battery code is CR2032, could I use any compatible laptop CMOS battery (CR2032 type) and it should work?
Thanks
CR2032 is not a laptop or desktop CMOS battery specifically, but a universal IEC standard battery found in various devices. It matches the same dimensions, 2V and 235mAh capacity. Although the socket shape and installation might vary, they all fit. You can purchase them at any store where batteries are sold, just ask or order by CR2032.
Ps. Pay attention to polarity when swapping.
There are various connectors available for batteries that fit into laptop motherboards. Additionally, there exist different battery sizes. The CR2032 is not present in every laptop; certain models may use smaller batteries.
In agreement with
@bill001g
I don’t need complicated batteries.
But I’d be cautious about discount stores and cheap bins.
It’s worth a bit more for big box shops that carry trusted brands and have reliable stock.
Make sure you can check the batteries yourself and see their dates.
Low-cost options often fail quickly—may corrode, swell, or leak, especially if stored long in containers or warehouses.
They’re usually sold at a discount and might be repackaged for bulk sales.
If I buy generic ones, I replace them right away, typically AA, AAA, or CR2032 types.
That’s my perspective on the issue.
Good luck with soldering the flying lead from the old battery onto a regular CR2032. Most CMOS connections are welded instead of soldered to avoid heat damage. Note I prefer the typo CR20302. I haven’t found insulated laptop batteries (with pigtail and small connector) in any regular shop or supermarket. You’d likely find them in a computer parts store that sells spare items. The three laptop batteries I replaced recently were similar, from Dell, Acer, and Lenovo. That’s why I recommended opening the laptop and checking the required type and size. A standard button cell might not fit. Look at the video I linked—there are various connector styles on the pigtail. Using the right version will make the process much simpler.
Additional instances of laptop CMOS batteries are available, which highlights the importance of verification before purchase.