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Old 03-15-2014, 11:50 PM   #1
Andrew B.
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Default Laptop shut down question

When you shut off your laptop for the evening, do you unplug the power cable so the power supply (the box on the power cord) is not always on? This question assumes that the battery is charged already.

   
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Old 03-16-2014, 04:55 AM   #2
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Yes I do

   
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Old 03-16-2014, 02:53 PM   #3
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robin: Yes I do
Why?

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Old 03-16-2014, 06:36 PM   #4
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Why?

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I don't, but I was thinking of starting.

   
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Old 03-16-2014, 08:09 PM   #5
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andrew: I don't, but I was thinking of starting.
Why?

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Old 03-17-2014, 01:17 AM   #6
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When you shut off your laptop for the evening, do you unplug the power cable so the power supply (the box on the power cord) is not always on? This question assumes that the battery is charged already.
Yes, I do too. And I do it to save power.

I also turn off the airport and modem, for the same reason. My phone and tablet have their own 3G/4G accounts, which cost much less to use than I pay for extra power charges here. I'm gradually bringing down my power charges, in spite of constant increases.

   
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Old 03-17-2014, 03:48 AM   #7
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Yes. Both to save power, and since we frequently get power cuts here. to save damage - we lost our answerphone only last week after a power spike when the lights came back on.
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Old 03-17-2014, 06:24 AM   #8
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All power supplies draw current even if nothing is plugged in to them, so it makes sense to unplug.

   
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Old 03-17-2014, 10:42 AM   #9
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I don't but probably should. One of my clients has a new Lenovo. It has an interesting pop-up. It reads (paraphrasing): "Charging your battery to more than 70% can reduce battery life."

Apparently Li-ion batteries do not like to be kept at 100%. I have not seen the warning from any other vendor, including my phone. In fact, I thought one of the points of modern battery charging circuitry was to ensure the batteries are topped off but not over charged.
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Old 03-20-2014, 06:30 PM   #10
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All power supplies draw current even if nothing is plugged in to them, so it makes sense to unplug.
I do that too, after losing a heap of equipment once when a lightning bolt hit the local council multi-storey carpark which is about 500m from here. Pity the poor guy who had to replace every single fluorescent tube in the carpark.

In my case, the UPS was a write-off, but the computer equipment attached to it was all fine. Only found out weeks later that the TV was dead.

   
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