make a charger for battery

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aimaldawoodkhan
Posts: 1
Joined: Fri Jan 18, 2013 6:34 am

make a charger for battery

Post by aimaldawoodkhan » Fri Jan 18, 2013 6:38 am

i have a battery of 4v and 1.2 amp and i want to charge it from cell phone charger and the cell phone charger has 5 v output and 850 mA so how i set the charger for battery can i also take a inductor to increase the current?
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