HP DV3T Reviews HP DV3t laptop computer is one of the best lightest computers available in HP Pavilion computer series. Comes with Genuine widows vista operating system. This Hp Pavilion dv3t laptop is available in 2 exciting colors. You will get 6 cell battery with HP DV3t laptop which offers you 4 hours and 15 minutes of batter backup but the option for 9 cell battery is also available which