A part of the review has been auto-translated.
süper güneş panelinden regulatör olmadan enerji alabiliyorum.
I have connected this up to DC motor being used as a generator for a low voltage wind turbine. This works very well.
Cool to have my own power converter for phone charging or for running 5v to electronic projects or other small appliances like a little fan
good product
Solid PCB build around national semi buck converter. Max 8% loss - PCB heats up quite a bit when charging. Not tried yet with 3A of load but expect it to get hot.
Skvělý produkt s nejlepším poměrem cena/výkon při kvalitním zpracování ;-) Bezkonkurenční produkt, Velmi doporučuji ! mobily a USB napájené blbůstky (gadgets) si vážně nestěžují! Výborný produkt - Best product !
Haven't tried it yet.
Cheap but very good, buy and try ......
comfortable and universal
looks fine