20Pcs PFM Control DC-DC 0.9V-5V Step Up Power Supply Module
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my lipo to 5v regular
Have tested all & they worked well. All OK
ok
Goede afwerking Maar spijtig van 20 stuk waren er 4 kapot die niet gingen. Is wel iets goed Het totaal geef ik 9/10 een punt minder omdat er 4 kapot waren
Built my own power banks with them.
good , you can double voltage by using only 1.6v
good quality
I tried this board to charge my phone it was instantly heated up. after two to three minutes it was almost burn out then I removed my phone from this module. if i did not do it would be dangerous for me and my phone. please suggest wirh better solution. I used below mentioned board and Battery: 1:- TP4056 2:- 18650 mAh Rechargable Battery and 3:- PFM Control DC-DC 0.9V-5V Step Up power supply module. and also used connection as u TP4056 Board products Page shows.