Repairability FTW, or how I bought an old laptop some new life by replacing its battery

My four-year-old laptop now feels a little less ancient and my bank account still only has one new-computer-sized dent in it for this year, thanks to one replacement component that proved to be harder to shop for than to install.

This 2017 HP Specte x360 shouldn’t have needed a new battery at all, given how infrequently it’s left the house or even been unplugged from a power outlet since March of 2020.

But over the last 18 months it had exhibited increasingly bad battery life, to the point that I could not reasonably expect it to last more than hour away from an outlet. HP’s hardware diagnostics app outright labeled the battery “failed” and advised a replacement–even though its logs showed this component had only gone through 387 charge cycles out of its design life of 1,000 and still had a capacity of 25 watt-hours instead of the original 60.

Photo shows the replacement battery on top of the original one, with part of the laptop's circuitry visible behind both.

(Then again, my old MacBook Air also began reporting battery issues well short of that 1,000-cycle mark.)

For a while, I considered toughing out this problem until I could buy a new laptop. But between the chip shortage bogging down laptop shipments and my trip to Web Summit coming up next week, I decided it would be stupid to keep limping along.

Annoyingly enough, HP’s parts store did not carry a replacement battery for my model. I checked the company’s list of authorized vendors next; only one, ITPAS, seemed to sell the battery I needed.

They listed a $99.80 price for the battery, which seemed a bit steep. I found other vendors selling what was at least identified as a compatible “CP03XL” battery on Amazon and NewEgg’s storefronts that advertised much cheaper prices. But none had nearly enough good and at least not-obviously-fake reviews to make me want to trust them all that much. I tried asking on Reddit for further guidance, but this usually reliable source of crowdsourced tech support did not come through here.

So I decided to go with the most-legitimate retailer, and after a pleasant chat with an ITPAS customer-service rep that cleared up some details left vague on the site (notwithstanding the “Available to special order” note on the battery page, they had it in stock, and “FedEx Home Delivery” would mean only a few days), I placed my order Friday and hoped to see the battery arrive before the middle of this week.

It arrived the next day, before I’d even received a shipping-notification e-mail–and then a few days later, a second battery arrived, a generous glitch the company couldn’t explain when I reported it but quickly responded by e-mailing a FedEx shipping label with which I could return the duplicate.

The bigger delay here turned out to be me, in that I didn’t think to ask a friend to borrow his set of Torx screwdrivers until he’d already left for the weekend. Arguably, I should already own my own set, but the last time I needed these tools was when I replaced my old iMac’s hard drive with a solid state drive in 2018.

Anyway, with the right implements at hand, HP’s maintenance and service manual revealed the battery replacement to be a fairly simple procedure. Shut down the laptop, remove six screws holding the bottom lid (two of which were underneath a strip of plastic on the underside that once held its rubber feet in place), and pop off that lower lid. Then detach the old battery’s power cable from the system, gently tug the speaker cable out of the bracket at one end of the battery, undo four more tiny screws to free the battery. and lift it out. 

I did those steps in reverse to connect and secure the new battery, then found myself struggling to get the bottom lid to close up properly. After a second try with the six outer screws, there’s still some flex at its front, underneath the trackpad. Was that there all along? I can’t tell, not having thought to take beforehand photos to document this laptop’s condition as if it were a rental car I’d need to return later to a nervous agency.

The re-empowered laptop them rebooted into an screen reporting a CMOS checksum error that I could fix by resetting it to its defaults, I did, and the laptop has not complained further. That HP diagnostics app now reports the the battery state as “passed,” which is nice–and when I set the laptop to run a battery-life test in which it would stream NASA TV via YouTube, it ran a full five hours and 40 minutes.

I’ll take that–at least as far as Lisbon next week and Las Vegas in January, but maybe even for a few more months after.

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