Portable aa power bank phone charger

369

04:50:19

With 4aa batteries in series 

published 10 years ago

nikisalli

10 years ago

It should be at least 5.10v

WTFCircuit

10 years ago

The voltage is to low, the phone won't recharge

Anyonymous

10 years ago

But it is enough volt to charge the phone..

kaivanveldhoven

10 years ago

The voltage is too low, the phone won't recharge.

rich11292000

10 years ago

Look at the voltage after you put a load on it. Note the volts and amps then, note that a phone charger is >5 volt@1amp.

Anyonymous

10 years ago

Guys its just the principle...you can increase the amps by resistor watt and add one more battery... It will work. Cause I did this project before.

Anyonymous

10 years ago

Or change the zener diode volts

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