Apr 21 2009

Netbook Battery Life Comparison

When purchasing a netbook, its battery life should be a prime concern. There are a variety of netbook batteries (3-cell, 4-cell, 6-cell, 9-cell, etc.) and since netbooks can come with different batteries, this fact may make you reconsider the netbook you were originally going to purchase.

Obviously, higher-celled batteries pack more power and can allow a netbook to run for longer periods of time, and the same-celled battery used in different netbooks may last for different lengths of time (a Toshiba NB100 running on a 6-cell battery will no doubt last for a different period of time than an Acer Aspire One running on a 6-cell battery).

Here is a quick comparison of the battery life of some netbooks. They are ranked in decreasing magnitude of battery life.

Model

Battery Capacity

Battery Life (hh:mm)

MSI Wind U115 Hybrid

11.1V / 5100mAh

06:56

Asus EeePC 1000HD

7.4V / 6600mAh

04:12

Asus EeePC 901

7.4V / 6600mAh

03:59

MSI Wind U100

11.1V / 4400mAh

03:40

Asus EeePC 1000H

7.4V / 6600mAh

03:33

Asus N10J

11.1V / 4800mAh

03:05

Dell Inspiron Mini 9

11.1V / 2142mAh

03:05

Asus EeePC S101

7.4V / 4900mAh

02:41

Acer Aspire One AOA110

11.1V / 2200mAh

02:19

HP Mini 1001TU

11.1V / 2522mAh

02:05

Lenovo IdeaPad S10

11.1V / 2522mAh

01:55

Dell Inspiron Mini 12

14.4V / 2200mAh

01:47

The test conducted on these batteries includes playing a Windows Media Video (WMV) clip until the battery dies. The power management status was set to “always on,” which is in the middle of the power management spectrum between “max battery” and “home/office desk.” This is to allow for an average estimate between the minimum and maximum life of the netbook battery.

The conclusion of this test is that 6-celled netbook batteries last for well over three hours while 3-celled batteries last for little over two at max. The number of cells in a battery is roughly proportional to its battery life (i.e., a 6-celled battery lasts roughly twice as long as a 3-celled one).

Via NetBookReview.

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