Amazon.com: CableCreation Short Micro USB to Micro USB OTG Cable 8inch, Micro USB Male to Micro USB Male Cable Works for DJI Spark Mavic, PS4, Owlet, Android Phone Tablet, DAC and More,20CM :
Pololu - USB Micro-B Connector Breakout Board
The micro USB b female port on my tablet got destroyed. I tried connecting it directly with a USB cable but it seems the tablet only picks up current when there is