







🔋 Power your precision—never lose a second!
This ML1220 CMOS battery replacement delivers stable 3V power with ultra-low self-discharge, ensuring your Dell XPS and Lenovo Miix devices maintain accurate BIOS settings and real-time clock functionality. Designed for longevity and leak resistance, it supports a wide temperature range and features a compact 2-wire connector for hassle-free installation.
J**G
Saved Ny Computer
My Dell computer's CMOS battery died, and it would randomly shut down and require me to reconfigure the boot firmware. I thought I needed to buy a new computer, but I replaced the battery, and my Dell computer is running flawlessly!
C**A
Buen producto
Es justo lo que necesitaba. Funcionó correctamente.
A**R
Voltage a little low
The one I received measures 2.7 volts.
S**R
Great fit.
Perfect replacement
A**N
3.04V before and after installation - good
3.04V before and after installation - good
Trustpilot
2 months ago
2 weeks ago