CJP-Geek 19V 3.42A 65W AC Adapter Charger Power compatible with Acer Aspire 7720 7720g 7720z 7720zg - Walmart.com
Acer Aspire 7720G Review | Trusted Reviews
Specs Acer Aspire 7720Z-2A2G16Mi T2330 43.2 cm (17") Intel Pentium Mobile 2 GB DDR2-SDRAM 160 GB Intel® GMA X3100 Windows Vista Home Premium Notebooks (LX.ALJ0X.053)