laptop battery

[Raymond House]

Thanks for the explanation Doug.

On Mon, Jan 5, 2015 at 5:43 PM, darwinsurvivor at gmail.com <
darwinsurvivor at gmail.com> wrote:

> The computer runs a little slower (about 30-40% in my case) so you'll
> notice a bit of a performance hit if you are using cpu-intensive
> applications. For instance, I wouldn't want to run games without the
> battery or you'll start to see lag.
>
>
> ~Doug
>
> On Mon, Jan 5, 2015 at 1:40 PM, Raymond House <raymondh40 at gmail.com>
> wrote:
>
>> What is the result of the CPU clocking down, Doug?
>>
>> On Mon, Jan 5, 2015 at 4:33 PM, darwinsurvivor at gmail.com <
>> darwinsurvivor at gmail.com> wrote:
>>
>>> I can confirm that my Lenovo x220's manual states in the manual that it
>>> will run without a battery, but the CPU will be clocked down. I can also
>>> confirm (from using it) that this is exactly what happens.
>>>
>>>
>>> ~Doug
>>>
>>> On Mon, Jan 5, 2015 at 11:39 AM, Raymond House <raymondh40 at gmail.com>
>>> wrote:
>>>
>>>> Right ! like the touch features, most of that does not work under
>>>> ubuntu, some do.
>>>>
>>>> On Mon, Jan 5, 2015 at 2:35 PM, CrankyOldBugger <
>>>> crankyoldbugger at gmail.com> wrote:
>>>>
>>>>> Most hardware vendors are getting pretty good now for putting manuals
>>>>> online, usually posting them in the Support section of their websites.
>>>>>
>>>>> Just keep in mind that the manual is written for Windows users, and
>>>>> may contain instructions that only work in Windows.
>>>>>
>>>>>
>>>>> On Mon Jan 05 2015 at 2:29:33 PM Raymond House <raymondh40 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hey Cranky, thanks a lot I'll look at that,I wonder how you found
>>>>>> that,I have been looking all over and was getting nowhere.
>>>>>>
>>>>>> On Mon, Jan 5, 2015 at 2:25 PM, CrankyOldBugger <
>>>>>> crankyoldbugger at gmail.com> wrote:
>>>>>>
>>>>>>> I found this in the User guide for that model laptop (page 44):
>>>>>>>
>>>>>>> For information on connecting to AC power, refer to the Setup
>>>>>>> Instructions poster provided in the
>>>>>>> computer box.
>>>>>>> *The computer does not use battery power when the computer is
>>>>>>> connected to AC external power with*
>>>>>>> *an approved AC adapter or an optional docking/expansion device*.
>>>>>>>
>>>>>>> For your reference, you can see the guide at
>>>>>>> http://h10032.www1.hp.com/ctg/Manual/c03837811.pdf (pdf file)
>>>>>>>
>>>>>>>
>>>>>>> On Mon Jan 05 2015 at 2:20:15 PM Raymond House <raymondh40 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Andy, I'm using an HP pavilion model 15-n041ca.
>>>>>>>>
>>>>>>>> On Mon, Jan 5, 2015 at 2:12 PM, Andy Boersma <Andy at boersma.ca>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Most laptops will run without a battery, but some of the newer
>>>>>>>>> Intel designed/build motherboards in them the CPU is cycled down.
>>>>>>>>>
>>>>>>>>> We did some test on a 2011 MacBookPro and a 2014 Dell Precision
>>>>>>>>> Laptop, both CPUs slowed 40%
>>>>>>>>> A Dell Latitude just continued at the same speed.
>>>>>>>>>
>>>>>>>>> Andy
>>>>>>>>>
>>>>>>>>> On Jan 5, 2015, at 1:53 PM, William Frick <frickwg at gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> I suspect not as some of the charging circuits may need to have a
>>>>>>>>> 'load' be it ever so small but at least there.  The battery also serves as
>>>>>>>>> a large capacitor filling in during sudden large current draws such as
>>>>>>>>> drive spinup etc...
>>>>>>>>>
>>>>>>>>> On Mon, Jan 5, 2015 at 11:46 AM, Raymond House <
>>>>>>>>> raymondh40 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Thanks for all the input on this subject,I guess what I'm really
>>>>>>>>>> looking for is can I run the laptop on the power supply only? without the
>>>>>>>>>> battery.
>>>>>>>>>>
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