High-quality CMOS Battery: This CR2032 battery is specifically designed for laptops and has high-quality performance and reliability, so you can say goodbye to laptop time and date setting issues! Compatibility: This battery is universal and compatible with most laptop brands and models, which means you only need to buy one battery to use on multiple laptops. Can replace the BIOS CMOS battery of these devices:IBM Lenovo Thinkpad T440P T440S T460P T460S T480S DELL Latitude E6420 E6420XFR E6440 E6520 ACER Aspire 4333 4733 4733z 4738 8935 8950 ACER Timeline 3410 3810 3810T 3810TZ 3811 HP G7-1150US G7-1260US.