Battery charging of cell phone using solar energy

  • Thread starter sha_virgo
  • Start date
  • #1
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hi............ i have a thought in advance, that i can charge my cell phone through solar energy itself . actually im doing my activities regarding that... giva me some suggestions which is helpful for me.. and i want to know why this is still not in market..my project is reasonable or not ?...
 

Answers and Replies

  • #3
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It doesn't make sense cost wise. You will spend far far more on a panel and the control electronics than you will ever save from not using the mains. The energy involved is pretty small.

Say it a 5 watt-hour battery and even with an inefficient charger which takes 10 watt-hours from the mains to charge the battery you would have to charge the phone 100 times to use to use 1 KWh. At UK prices a KWh costs about 12 pence (24 cents US?)
You would probably do far less than 100 charges in a year.

Your solar power would be 100's of times more expensive than mains power.

It is only of any use if there is no other source of power.
 

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