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Charge computer battery during travelling

Posted on 2016-11-20
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Last Modified: 2016-11-20
Is their any device i can use to charge computer batteries during camping? I found some like goal zero sherpa 50 or 100 but they are not cheap.
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Question by:Ann K
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8 Comments
 
LVL 97

Assisted Solution

by:John Hurst
John Hurst earned 500 total points
ID: 41895048
You need a solar generator or a fuel-driven generator. Neither are cheap, especially if you want the unit to run for long periods of time.

You need a device that has a large battery which gets charged via the solar cell, and generates 120V AC (or 240V AC). As noted, such devices (that work reliably) are not cheap.

The one you mention looks it would last for a nominal period (two or three hours) and then need recharging itself.  So it is for more infrequent use.  Solar powered units would be even more expensive
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LVL 27

Expert Comment

by:skullnobrains
ID: 41895054
not sure i understand your needs

if you expect to move a laptop and extra battery and solar panel you may consider the weight

if you have a car, it is likely that you can power your computer using it's battery

old fashion phones can be powered by a small pocket battery for months of everyday use

a tablet or a non too consuming smartphone can work on an external battery for about a day of intensive usage. maybe a week if you make a minimal use of it but keep it running all the time. non expensive lightweight solar powered stuff will give you about an hour of battery a day if you're lucky.
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Author Comment

by:Ann K
ID: 41895062
How to I use my car battery to charge my devices? Laptops, tablets, iphone and my kids small remote control toys which also can be charge through usb during camping.
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Author Comment

by:Ann K
ID: 41895064
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Gerwin Jansen, EE MVE earned 1000 total points
ID: 41895068
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Assisted Solution

by:skullnobrains
skullnobrains earned 500 total points
ID: 41895081
i'd second this approach for computers : you will loose power compared to directly plugging the battery to the computer but you don't want to fry it in the attempt and that would be a likely outcome.

you'll find equivalent devices ( or possibly a combined one that does both ) with USB plugs. if you have a bunch of usb devices it might be better than having the above powering a bunch of usb chargers.

many pocket batteries can be charged directly from a car's lighter, and ones that do not should be powerable with the car battery's 12V directly on their USB cord. ( do this with a robust pocket battery, don't even think of doing the same for other devices : usb is 5V normally ). could be a simple way to grab a multiport usb charger with the additional benefit you can take it with you when walking.
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Author Closing Comment

by:Ann K
ID: 41895125
Thank You.
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LVL 97

Expert Comment

by:John Hurst
ID: 41895127
You are very welcome and I was happy to help
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