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Old 01-01-2016, 15:32   #46
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Re: What do YOU think is the best charging option?

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Originally Posted by jkindredpdx View Post
Not sure about this, a lot of computers draw 18-19 volts, so you need a DC 12 to ~19 converter (like cigarette lighter style) that is compatible with each device.


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Old 01-01-2016, 21:10   #47
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Re: What do YOU think is the best charging option?

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Adjustable output boost dc/dc converters available off ebay for the cost of a beer.
dc boost 150w | eBay
The bastards at Dell have added a 1-wire eprom with proprietary data. If the computer doesn't see that chip and data, then it won't charge the battery (still powers the computer though). So if you have a Dell, don't bother buying one of those devices.
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Old 02-01-2016, 15:09   #48
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Re: What do YOU think is the best charging option?

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Originally Posted by mitiempo View Post
A 12 volt adaptor is available for any laptop.
Agreed... I own several DC-DC converters and still suggest looking at the AC brick that comes with your computer, read the DC output rating (mine for example reads 19v 1.75a), and buy a DC 12v to DC ??v to match that rating.

There are many threads on the CF Electronics Forums where a multitude of geekaholics edify the layman on this topic.
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Old 02-01-2016, 15:25   #49
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Re: What do YOU think is the best charging option?

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Originally Posted by jkindredpdx View Post
Agreed... I own several DC-DC converters and still suggest looking at the AC brick that comes with your computer, read the DC output rating (mine for example reads 19v 1.75a), and buy a DC 12v to DC ??v to match that rating.
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Old 02-01-2016, 15:26   #50
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Re: What do YOU think is the best charging option?

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Originally Posted by travellerw View Post
The bastards at Dell have added a 1-wire eprom with proprietary data. If the computer doesn't see that chip and data, then it won't charge the battery (still powers the computer though). So if you have a Dell, don't bother buying one of those devices.
Good point, I've heard that before but forgotten about it.
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Old 02-01-2016, 16:51   #51
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Re: What do YOU think is the best charging option?

Minimize consumption - All LED and electronic temperature control for the fridge as a minimum and use combination of Solar + Wind - make sure that the charge controllers are MPPT





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