Hi Bhavin,
There have been some discussion about this in this forum. Kindly check them out:
* "Mobile Battery Charger("")":http://www.eeweb.com/blog/extreme_circuits/mobile-cellphone-battery-charger
* "Mobile Charger("")":http://www.eeweb.com/blog/extreme_circuits/mobile-phone-battery-charger
* "Universal Charger("")":http://www.eeweb.com/blog/extreme_circuits/low-cost-universal-battery-charger-schematic
Regards,
Kevin
