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Solar chargers for cellphones and tablets..

Posted on 11/29/14 at 4:18 pm
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 11/29/14 at 4:18 pm
I'm going to build one that doesn't suck and won't cost $100.

Who wants one? My first charger works but the output is low and it'll take a full day to charge it to 50%. I'm upgrading the solar panel on my next design.

Most of the inexpensive chargers say 2 hours to fully charge, but the output of said charger is 1/10th what you get from a wall charger; meaning they are FOS.
This post was edited on 11/29/14 at 4:26 pm
Posted by Ice Cream Sammich
Baton Rouge
Member since Apr 2010
10111 posts
Posted on 11/29/14 at 4:36 pm to
Whats the price?
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 11/29/14 at 4:54 pm to
I'll get one up and running first.

Apple likes to dick around and adjust the D+ and D- inputs on the USB chargers. If there isn't the correct voltage on these inputs and it'll give you an accessory not authorized message.
This post was edited on 11/29/14 at 4:55 pm
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80779 posts
Posted on 11/29/14 at 10:47 pm to
Id be interested depending on price and quaity
Posted by I Love Bama
Alabama
Member since Nov 2007
37715 posts
Posted on 11/30/14 at 1:56 am to
Not trying to be an arse but do you think you can build one better than what is already on the market? Doubtful...
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 11/30/14 at 8:34 am to
Yes..
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80779 posts
Posted on 12/1/14 at 3:38 pm to
If I recall, you are in the solar business, correct?
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 12/1/14 at 3:58 pm to
Electrical Engineer, but I have always built things like this in my spare time.

I ordered a different solar panel on Sat. The one I previously purchased had very low output at 5V.
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80779 posts
Posted on 12/1/14 at 11:08 pm to
Posted by jmarto1
Houma, LA/ Las Vegas, NV
Member since Mar 2008
33957 posts
Posted on 12/1/14 at 11:41 pm to
I'd want to see a finished product but I'm slightly interested.
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 12/6/14 at 1:33 pm to
I set up the new cell and it's averaging a 7%+ recharge in 10 min.
This post was edited on 12/6/14 at 1:37 pm
Posted by darbour21
baton rouge
Member since Jan 2006
2146 posts
Posted on 12/6/14 at 1:39 pm to
Im interested in the charger.

Can you post some pictures and the price and how long it takes to get charge

Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 12/7/14 at 1:59 pm to
I have to tweak the outputs on the USB jack.

It charges iPads, iPhone 3G, and iPhone 4s (not a 4).

The 6/6+ doesn't recognize the accessory, and I don't have a 5 to test it.
Posted by LSUAlum2001
Stavro Mueller Beta
Member since Aug 2003
47132 posts
Posted on 12/7/14 at 3:16 pm to
It's about 3 hours to a full recharge for a phone.
This post was edited on 12/7/14 at 3:36 pm
Posted by darbour21
baton rouge
Member since Jan 2006
2146 posts
Posted on 12/14/14 at 10:21 am to
You ever figure out how to charge the iphone 6?
Posted by shinerfan
Duckworld(Earth-616)
Member since Sep 2009
22325 posts
Posted on 12/14/14 at 1:08 pm to
What are the dimensions on the panel?
This post was edited on 12/14/14 at 1:10 pm
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