Amazon.com: Synergy Digital CMOS/BIOS Batteries, Compatible with Sony Varta 2/V30H CMOS/BIOS, (Ni-MH, 2.4V, 20 mAh), Replacement for Sony 2/V15H Battery, Combo-Pack Includes: 3 x SDBU-H6926 Batteries : Health & Household
Rtc 2/V15h 15Mah 2.4V Cmos Battery For Sony Vaio Vgn-Fs/Nr - Vgn-Nr350fe
Genuine Varta Rechargeable Ni-MH Bios Real Time Clock Battery 2/V15H S043A 15mAh | eBay
Amazon.com: Rome Tech RTC 2/V15H 15mAh 2.4v CMOS Battery for Sony VAIO VGN-FS Series/Sony VAIO VPCCW21FX BIOS CMOS Battery Ni-MH with 2 Pin Wire Cable : Electronics