Amazon.com: Rome Tech CR2032 CMOS Battery for Dell Alienware 15 R4, Inspiron 15z 1570, Latitude XT3 - Laptop Backup BIOS RTC 3V CR 2032 Battery with 2 Wire Long Cable Regular Connector (1-Pack) : Electronics
Amazon.com: Rome Tech RTC 2/V15H 15mAh 2.4v CMOS Battery for Sony VAIO VGN-FS/NR - VGN-NR350FE VGN-NS235J VGN-Z11XN VGN-SR390 VGN-240F - GRX C R F V Z A S Series BIOS CMOS Battery
Amazon.com: PCRepair Replacement CMOS RTC Battery for HP Probook 4440S 4441S 4540S 4740S 683502-001 : Electronics
Amazon.com: Synergy Digital CMOS/BIOS Battery, Works with Toshiba Satellite Pro 4300 CMOS/BIOS, (Ni-MH, 2.4V, 20 mAh) Ultra High Capacity Battery : Electronics