Laptop batteries nowadays have become very efficient, Bigger is Better, or is it?

Feb. 21, 2011 - PRLog -- Battery Life

Laptop batteries nowadays have become very efficient. Some of them can last for several hours at a time; certain brands boast battery power of at least 8 hours or more. But what some manufacturers are doing – such as Dell – is tell you what type of battery you have, and what your upgrade options are. They end up using terminology such as 4-cell and 6-cell. So, what do they mean exactly?
Bigger is Better, or is it?

To put it simply, more cells means more power. In other words, a battery with a higher cell count means longer life. A 6-cell battery can outlast a 4-cell battery. But does that necessarily mean that one is “better” than the other? Depending on the brand and make of the battery, a 4-cell can last from 1.5 to even 3 hours, but that will vary due to specific details like screen brightness, battery power settings (running on low-usage or maximum-efficiency), playing games or watching DVDs/Blu-ray. Taking that into account, a 6-cell can last between 4 to 5 hours on a single charge. Again, it all varies depending on what you are doing with your laptop, or what you would like to do with your laptop on a single charge.
Difference in Cost

A 6-cell BatteryThe problem with laptop batteries is that they are not light on your wallet. A 6-cell battery can cost about $65 more than a 4-cell battery. Using Dell as an example, their 4-cell battery starts at about $90, whereas their 6-cells are around $155.
Pros and Cons

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A common complaint among some users is that a 6-cell battery tends to “stick out” physically from the rest of the laptop. This can create for a visually awkward appearance to your laptop, and in some cases may be a comfort issue. Ultimately, what it comes down to is how often you will need to run your laptop on a single charge. For example, if you are a student and use your notebook diligently to take notes and do a lot of work on your computer, it may be worth paying the little bit of extra cash to get that extra hour or two of battery life. Additionally, if you like to watch a lot of media - such as playing DVDs or Blu-ray, or if you like to do a lot of gaming, a 6-cell may also be worthwhile as multimedia usage can be taxing on a battery. However if you don’t see yourself unplugging your laptop from its AC adapter often, or don't seem to mind the current life of your battery, then upgrading may not be necessary.

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Again, it has to do with what you are planning on using your laptop for, and how often you expect to be relying on the battery.

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