DORHEA IP5328P Boost Charging Module Dual USB 18650 Battery Fast Charger Treasure Tpye-c 3.7V to 5V 9V 12V Step up Fast Quick Charger Circuit Board QC2.0 QC3.0 Mobile Power Main Board

Excellent for my project of converting and making with 6 18650 3.7v 2000 mah cells in parallel a power bank or portable battery of 3.7v 12000 mah with the ease that this module gives to charge quickly in both directions and with light indicators of the % of charge of the device. Excelente para mi proyecto de convertir y hacer con 6 celdas 18650 3.7v 2000 mah en paralelos en una power bank o bateria portatil de 3.7v 12000 mah con la facilidad que da este modulo de cargar rapidamente bidireccional y con indicadores luminicos del % de carga del dispositivo

This thing does exactly what I want... Take 10 batteries in parralel and chaarge other devices. With that being said my main complaint is I wired an inline switch so I can store the batteries for long periods nad this fails to turn on after being shut off, I have to plug it in to a charger for it to wake up even on fully charged batteries. Update I shorted that one and I ordered 2 more with the spacing of the resistors 1 minor slip while soldering and bam another one dead. We'll I have 1 more but apparently it's doa. I'm way past the return window and I'm screwed. I will be giving up on my project due to this.

Button free operation allows me to really close this thing up, especially because I don't need the micro USB port next to it either.

It works and demonstrates this chips abilities. But I was unable to draw more than 700mA @12V via a PD3 USB C trigger board. I think that the inductor may be undersized on this board as the data sheet specifies that it can provide more than twice that current (1.5A).

When I connected fully charged battery it shows 25 percent once press button and boost converter does not generate 5.0V. Tried different ways: - real load device connected to USB A ports - does not work and 5.0V does not come up auto or pressing button either way; - device trigger (with 5.1K on CC lines) connected to USB C - nothing happens. Conclusion: I know well enough this IP5328 device to say the board does something wrong or device is faulty.