You can also find some interesting considerations here: http://rtr.ca/dell_i9300/
They claim 3+ hrs on battery (for an 80 WHr Lithium-Ion Battery). -- [Dapper, Edgy, Feisty] Battery Life Low (half of XP) on Inspiron 9300 https://launchpad.net/bugs/97627 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
