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Subject Topic: How long will a laptop last on 12 volts? Post Reply Post New Topic
PersonBalliol
18/8/2013 at 8:53pm
 Location: Abingdon area
 Outfit: Hymer 544 View Balliol's Profile View Profile   Reply to Balliol Reply   Quote Balliol Quote  
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I have a laptop computer that I want to take with me on a holiday in a motor caravan using an inverter connected through a cigar lighter. I shall be static for three days. I do not know the technical details of either the laptop or the motor caravan battery but is it possible to say how long the motor caravan battery will last?


Personalpiner
18/8/2013 at 9:19pm
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cant answer your how long will it last but have a look at this type of adapter link

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alpiner


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PersonBalliol
18/8/2013 at 9:47pm
 Location: Abingdon area
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Many thanks, I think that's the sort of thing I have.


PersonSuziQ99
21/8/2013 at 6:36pm
 Location: Costa del Wotsit Espania
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Without the details, it is impossible to say how long the battery would last !

What size ( power) is the battery.?

 Is there anything else running off it ?.

Do you only have the one ?

Suzi

 



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Doogle comes too.


Personmattlad
21/8/2013 at 6:50pm
 Location: Worcestershire
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What's the power draw of the laptop?

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Love a lot. Trust a few. But ALWAYS paddle your own canoe!!
Minds are like parachutes:- They only function when they are open!!!
Those who talk don't know.
Those who know don't talk.


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PersonBalliol
21/8/2013 at 7:00pm
 Location: Abingdon area
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Right, I will change direction. We will not be using a TV but we will be Motor caravanning in the dark months so will be using the lighting a lot. I may be using the laptop for up to four hours a day.
So, what about a generator. I suspect these have advanced yonks from those I used as a signaller many years ago which took ages to start and gave out very little power?
I would welcome some suggestions.


Personrabble
22/8/2013 at 3:15pm
 Location: hull
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Generator is good but what about a solar panel to keep the batteries topped up? It really all depends on the size of the laptop battery and what you are using the lap top for and how big your MH batteries are. And a load of other things that work off the 12v (water pumps etc)

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k and p nuts


Personenpiste
16/9/2013 at 9:15pm
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laptops are very power hungry .... you can tell by how hot they get.... and using an inverter just increases the power usage... the best option is buy a tablet or run laptop direct from 12v by using a suitable charger... Maplins were doing one for £20.00..... TV's and laptops are the quickest way to run down your batteries


PersonBalliol
16/9/2013 at 11:24pm
 Location: Abingdon area
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Many thanks.



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