Candidate for flashlight/power pack mod?

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rogue_cig

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May 6, 2013
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Dutchess,NY, USA

xpackaday

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Apr 23, 2013
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Columbus, OH
Two thoughts.

fist: 1.5 amps at lets say 4 volts for easy math will only be 6 watts. which I think is to low and it would be turning its self or burning up.

second: I'm not sure about this, but it is very common in battery chargers to convert the 120V AC to the battery charging voltage at 1/2 wave AC and use the battery being charged to act like caps and filters the 1/2 wave to DC. In this case with no battery, I'm not sure 1/2 wave 4.2 V AC would do a good job?
 
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