Make Power bank using battery 3,7v convert to 5v by mini invertor

Welcome to Tech Record TH-cam channel!
Make Power bank using battery 3,7v convert to 5v by mini invertor
Follow us by link below:
/ techrecord

[@yousefLa52.]

the Transistor is : 1815 or 1518
?????????????????

[@Sosoelisashvili]

C1815

[@yousefLa52.]

Should the wire for the coil be insulated????

[@danielp9618]

What will be the output current of this circuit?

[@MsDevilmc]

Fake doesnt work

[@J-availt001]

Pls does the circuit give the phones battery extra life if left to charge for some minutes?

[@badeadrian]

Or just buy one... they are already on the market

[@waledaljanabi8246]

Sweet thought
I tried to make one but it didn't work
I want to make 5 pieces for me and my friends
I will pay you the price of money for you. Do you agree

[@СаняБлогеризСела]

Этим повер банком только старые кнопочные телефоны заряжать ,ампер очень мало

[@amogus5335]

amperage?

[@sobreviventealpha1106]

Very good Bro

[@Shyambdkarki]

it have no ampere therefore cannot charge mobile.

[@YashwinTechnical]

Nice

[@valtersouzaribeiroribeiro9534]

Good good