Hewlett-Packard (HP) 449137-001 - 3VDC 250 mAh Lithium Coin Real Time Clock RTC CMOS Battery Sale $12.49 Retail $29.99
HP 538436-001 - 2GB (1x2GB) 800Mhz PC2-6400S 1.8V 200-Pin SODIMM Laptop Ram Memory Sale $19.00 Retail $44.00
HP 490306-001 - 63Whr 10.8V Lithium-Ion Replacement Battery for HP 500, 600, 6520s, 6730s, 6820s, 6720s, 6830S Laptop Retail $61.95
HP 598858-001 - 2GB (1x2GB) 800Mhz PC2-6400S 1.8V 200-Pin SODIMM Laptop Ram Memory Sale $19.00 Retail $44.00