Is it possible to turn 12v 50mA solar panel to output 5v 1A?
I want to test my old solar panel to be able to charge my iphone 4
No. If you had a DC to DC converter that was 100% efficient, you could get 5 volts at.12 amps.
Yo can convert the 12V to 5 v
look here:
http://www.powerstream.com/12V-USB-Charger.htm
but you can't increase the wattage
That is: the panel has 12 x.05 = .6 watts
You want to output 6 x 1 = 1.0 watts You can't do that…
what you can do is use the solar panel to charge a 12 volt battery then use that for converting to 5 volts at one amp. Will take more hours to charge than you will get out at 1 amp.
No. 12v at 50mA is a power of 0.6 watts.
piping that into a DC-DC converter, which will lose perhaps 10%, now you have 0.54 watts
At 5 volts that is a current of 0.11 amp.
Impossbile to do this directly. But a little bit of extra circuitry used with a 12v gel-cell would do the trick.
No
The output power can't be greater than the Input power
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