Amazon.com: Synergy Digital CMOS/BIOS Battery, Works with HP Presario CQ56-136SF CMOS/BIOS, (Li-Ion, 3V, 200 mAh) Ultra High Capacity, Compatible with Advent GC02000KJ00 Battery : Health & Household
Amazon.com: DBTLAP CMOS Battery Compatible for HP Compatible for Compaq Pavilion G56 G62 G72 Presario CQ56 CQ62 w/Cable CMOS Bios RTC Battery : Electronics
Amazon.com: GinTai 20PCS CMOS Battery Replacement for HP COMPAQ G62 CQ62 G56 CQ56 G72 CQ72 CR2032HF-24 : Electronics
Amazon.com: DBTLAP CMOS Battery Compatible for HP Compatible for Compaq Pavilion G56 G62 G72 Presario CQ56 CQ62 w/Cable CMOS Bios RTC Battery : Electronics