I used to make power bank and emergency lamp... working great as power bank...

I used to make power bank and emergency lamp... working great as power bank...

I used to make power bank and emergency lamp... working great as power bank...

werkt perfect en van goede kwaliteit

werkt perfect en van goede kwaliteit

werkt perfect en van goede kwaliteit

nice step up convertor for power bank diy project. I am going to use these one. genuine product.😊

nice step up convertor for power bank diy project. I am going to use these one. genuine product.😊

nice step up convertor for power bank diy project. I am going to use these one. genuine product.😊

They look good. I didn't test them yet but I assume they will work fine.

They look good. I didn't test them yet but I assume they will work fine.

They look good. I didn't test them yet but I assume they will work fine.

At 1v the output is 60mAmp at 5v. At 4V the current is 600mAmp.

At 1v the output is 60mAmp at 5v. At 4V the current is 600mAmp.

At 1v the output is 60mAmp at 5v. At 4V the current is 600mAmp.

時間通りに到着し、良好な状態で、説明通りに機能します。

Arrived on time, and in good condition, works as described.

時間通りに到着し、良好な状態で、説明通りに機能します。

Simply connect a voltage source between 0.9v-5v and it will work. A red led will be on when there's power

Simply connect a voltage source between 0.9v-5v and it will work. A red led will be on when there's power

Simply connect a voltage source between 0.9v-5v and it will work. A red led will be on when there's power

very good

very good

very good

las piezas llegaron bien protegidas y en buen estado

las piezas llegaron bien protegidas y en buen estado

las piezas llegaron bien protegidas y en buen estado

Ordered these for testing my TEG-peltiers and solar panels, great for low power use.

Ordered these for testing my TEG-peltiers and solar panels, great for low power use.

Ordered these for testing my TEG-peltiers and solar panels, great for low power use.