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Old 24-08-2012, 11:44   #16
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Re: Confused on Amp Hours Usage

Hi JK try Auto Power Adapters, Auto Air Adapters and Power Packs for Laptop and Notebook Computers. They may have what you need. Bruce.
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Old 24-08-2012, 12:00   #17
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Re: Confused on Amp Hours Usage

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Originally Posted by Bash View Post
Shocking, isn't it? When I realized that my MacBook Pro was using as much power as my toaster, I switched to using the iPad whenever I'm on the hook. Nicest part of that is I can plug it directly into a 12v cigarette lighter socket.
Hey! Another excuse to buy an iPad!

Do you know how many amps DC it draws?
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Old 24-08-2012, 12:01   #18
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Re: Confused on Amp Hours Usage

Some actual figures may help. These are for full brightness, average figures @ 12.5v with the computer battery not receiving any charge. These are with a DC to DC converter. Using an inverter the consumption is about 30% higher.

IBM T60P (15 inch laptop) 2.9A
MSI netbook 1.0A
I have not carefully checked the iPad2 that I have, but about 0.6A is close (wifi on but no gps)
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Old 24-08-2012, 13:37   #19
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Re: Confused on Amp Hours Usage

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Originally Posted by noelex 77 View Post
Some actual figures may help. These are for full brightness, average figures @ 12.5v with the computer battery not receiving any charge. These are with a DC to DC converter. Using an inverter the consumption is about 30% higher.

IBM T60P (15 inch laptop) 2.9A
MSI netbook 1.0A
I have not carefully checked the iPad2 that I have, but about 0.6A is close (wifi on but no gps)

Wow, only 0.6A....and another excuse!
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Old 27-08-2012, 10:59   #20
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Re: Confused on Amp Hours Usage

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Originally Posted by captainKJ View Post
thanks for all the replies,,, one problem is I can not find a dc hookup for the macbook pro, have been looking, only keep finding ac/dc converters, apples does not seem to have them
Search on eBay for: MacBook Pro (car, 12v) adapt*
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