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Posted by Maurice ON4BAM on May 5, 2007, 1:24 pm
Please log in for more thread options wrote:
>SMS wrote:
>> Maurice ON4BAM wrote:
>>> Hi,
>>>
>>> I'm in for a new laptop and will probably get the Dell Inspiron 6400
>>> with T7200 (2GHz) CPU, 2GB 667MHz RAM, and 160GB HD. What would be the
>>> expected battery time form the 6 or 9 cell battery. I guess I'll go
>>> for the 9cell anyway but maybe the 6 cell would do also.
>>>
>>> I'm also open to suggestions about similar laptops in the same
>>> pricerange that might be a better choice. I'm in Europe (Belgium) so
>>> sub US$1000 will not cut it :-(
>>
>> The 9 cell batteries are annoying. Unless you really need the longer run
>> time, stick with the 6 cell battery.
>>
>> Personally, I think the Latitude series is worth the extra money over
>> the Inspiron series.
>
>Here is how I do it. Battery specifications often also list their
>watt-hour (Whr) capacity along with the number of cells. A 9 cell
>battery may not last 9/6 times as long as a 6 cell battery because the
>"cells" may not have the same capacity. Use the ration of Whr
>specifications to get a better idea of battery life.
>
>For example if you have a 50 Whr battery that has a 200 minute life then
>a 80 Whr battery will give you 200 x (80/50) = 320 minutes of life.
I know how to calculate the difference so that brings back the
original question: How long will a battery last in the above
configuration?
Bye Maurice
--
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Hamradio: ON4BAM / M0CIL / 9H3Z http://www.on4bam.com/
Travelogues from Alaska, Scotland, South Africa,Iceland,
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