As you can see from the photographs there's hardly a mark on this! ThinkPad Modem. When I got it this, the laptop was running Windows 7, but as that's long gone I've installed the latest version of Linux Mint and the laptop works perfectly.
DBTLAP 1PCS Compatible For Lenovo ThinkPad T500 T510 T520 T530 CMOS RTC Reserve Backup Battery
Retro Vintage Lenovo ThinkPad T500 15.4" Windows XP Laptop MS Office 2007
Rome Tech CMOS Battery for Lenovo ThinkPad X240 / Lenovo ThinkPad X240I / Lenovo ThinkPad X240S / Lenovo ThinkPad X250 - Laptop Backup BIOS RTC 3V CR1632 Battery with 2 Wire Cable (1-Pack)
40A00000WW Lenovo Basic ThinkPad Dock - Lenovo ThinkPad T440 Laptop Dock
Lenovo ThinkPad X270 Laptop with ThinkPad ultra dock and genuine Lenovo charger
