I can turn on a strip of led with a 3.7v battery

I can turn on a strip of led with a 3.7v battery

I can turn on a strip of led with a 3.7v battery

Good, works well

Good, works well

Good, works well

Esses reguladores de aumento funcionam bem como anunciado. Recomendo-lhe.

These boost regulators work well as advertised. Reccommend.

Esses reguladores de aumento funcionam bem como anunciado. Recomendo-lhe.

Un producto al que muy pocas personal saben sacarle el jugo. Ideal para alimentar aparatos de 12 v. con baterias de 3.7 V. buen producto a un precio muy asequible.

Un producto al que muy pocas personal saben sacarle el jugo. Ideal para alimentar aparatos de 12 v. con baterias de 3.7 V. buen producto a un precio muy asequible.

Un producto al que muy pocas personal saben sacarle el jugo. Ideal para alimentar aparatos de 12 v. con baterias de 3.7 V. buen producto a un precio muy asequible.

Scheda utile per adeguare un alimentatore di varie tensioni con un oggetto di un altra tensione regolando l'uscita facilmente , contatti a saldare facilitati .

Scheda utile per adeguare un alimentatore di varie tensioni con un oggetto di un altra tensione regolando l'uscita facilmente , contatti a saldare facilitati .

Scheda utile per adeguare un alimentatore di varie tensioni con un oggetto di un altra tensione regolando l'uscita facilmente , contatti a saldare facilitati .

OK

OK

OK

goed product

goed product

goed product

A useful wide range DC / DC converter. Despite my best efforts I could not break it. I was able to modify it easily as a 300mA constant current source for LEDs. Limitation on output voltage is output diode and output capacitor. Both can be changed to get > 50V out.

A useful wide range DC / DC converter. Despite my best efforts I could not break it. I was able to modify it easily as a 300mA constant current source for LEDs. Limitation on output voltage is output diode and output capacitor. Both can be changed to get > 50V out.

A useful wide range DC / DC converter. Despite my best efforts I could not break it. I was able to modify it easily as a 300mA constant current source for LEDs. Limitation on output voltage is output diode and output capacitor. Both can be changed to get > 50V out.

All Ok! works proper!

All Ok! works proper!

All Ok! works proper!

good

good

good