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Build your own USB Batterylife Extender


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Guest Alex_le_brit
Posted (edited)

I stumbled across a link to this site on a cycling forum of all places, opened it up and look there's a T-Mobile Smartphone, so I thought I'd post it, for those other people out there who sometimes like to go camping, and hate the fact tents don't have wall sockets to plug your charger in.

CLICK HERE

usbbatt.jpg

Edited by Alex_le_brit
Guest MoRFLeZ
Posted

Hehe kinda sweet ... for festivals it would be awesome! Instead of paying £1 for a charge .. (I'm cheap)

Guest awarner [MVP]
Posted

I remember Will having one a few years back for the original SPV, it used AA 1.5v batteries instead of a single 9v

Guest m1.carson
Posted (edited)

Yeah, great topic, an empty box with a USB connector in the end !.

What about the wiring diagram to go with it ? lots of accessory dealers sell a rechargable for nokias using four AAA's should be a piece of cake [or perhaps bunny awarner] to re-wire one using a USB cable.

Max.

Appollollogies, missed the link on the first post :oops: and after reading the comments on the page, decided that four AAA's is a better answer than a 9v battery

Edited by m1.carson
Guest Alex_le_brit
Posted
Appollollogies, missed the link on the first post :oops: and after reading the comments on the page, decided that four AAA's is a better answer than a 9v battery

<{POST_SNAPBACK}>

;) I'm really glad I'm not the only one to do that.

I've opted for a 4AA unit for mine as I've got a dynamo powered battery charger for my bike which takes these. Now when I go on a cycling tour I can charge my batteries and use my phone.

I might even try a dynamo to USB connector as the dynamo puts out a stabilised

6V.

  • 2 weeks later...
Posted
What about the wiring diagram to go with it ? lots of accessory dealers sell a rechargable for nokias using four AAA's should be a piece of cake [or perhaps bunny awarner] to re-wire one using a USB cable.

Max.

<{POST_SNAPBACK}>

If you dont feel up to a DIY job try one of these

http://www.addonsworld.co.uk/product.php/2...33/#description

I use one regularly and its the best 6 quid I have spent in a while.

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