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Solar powered battery chargers?

OP Sightr

1st February 2012, 08:29 AM   |  #1  
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I see this solar powered battery charger on dealextreme, but are there any other better options? Like waterproof or made more specifically for our IncS with micro-usb.

http://www.dealextreme.com/p/4200mah...-gadgets-40210
3rd February 2012, 04:49 PM   |  #2  
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i use getsolmate solar charger
4th February 2012, 03:18 PM   |  #3  
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Quote:
Originally Posted by thakur90

i use getsolmate solar charger

Hi, how is this charger ?.. How long it takes to charge the Incredible S and what is it's standby time ??
Is it really worth the price ?
4th February 2012, 05:23 PM   |  #4  
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Quote:
Originally Posted by way2shree

Hi, how is this charger ?.. How long it takes to charge the Incredible S and what is it's standby time ??
Is it really worth the price ?

i dont use it as my daily driver.. just in case of emergency.. but it charges pretty fast and it charges till 40-50%... right now its kept in some corner... but i charge it through usb rarely use solar...
5th February 2012, 12:45 AM   |  #5  
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all the solar chargers i found so far only charge with an output of 80mAh, so once the battery pack is empty its actually useless.

i think its better to buy a batterypack without the solar charger because it wont be much help.
1st April 2012, 12:49 PM   |  #6  
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I think solar charger cannot give enough voltage for phone. I think it just an option to make your phone battery not drain out.
6th April 2012, 12:39 PM   |  #7  
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just buy one of those powerbanks, relatively cheap and charge as fast as a wall adapter.
5th June 2012, 08:14 AM   |  #8  
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i dont think the solar charger is necessery for common user
7th June 2012, 05:35 PM   |  #9  
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Quote:
Originally Posted by p008

I think solar charger cannot give enough voltage for phone. I think it just an option to make your phone battery not drain out.

Voltage isn't the issue. You'd just use a boost converter to bump it up to 5V. Every battery pack like the powerbank and similar includes such a circuit, as they either use a 3.7V li-ion (or li-poly, or similar) or a pair of alkalines (1.5Vx2).

The issue is getting enough current to charge something meaningfully.

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