CMOS RTC Battery For HP Pavilion DV4, DV7, CQ40 – GC02000KI00 Replacement

If your HP Pavilion DV4, DV7, or CQ40 is acting up—clock resetting, boot errors, or just acting weird—it might be time to swap out the CMOS battery.

This is a brand new RTC battery from GF Computers, model GC02000KI00.

It's the little guy that keeps your system clock and BIOS settings alive when the laptop's off.

Pop the old one out, snap this in, and you're back in business.

It's simple, cheap, and saves you from bigger headaches down the road.

No MPN or UPC fuss here, just a solid replacement battery that fits these older HP models.

If you're comfortable opening up your laptop, this is a super easy fix.

If not, maybe find a friend who is, because this battery can make an old laptop feel reliable again.