[Q] charging the tablet and connecting to a device via OTG simultaneously? - Galaxy Tab 4 Q&A, Help & Troubleshooting

Hi
I have Samsung Galaxy Tab 4 10.1 LTE SM-T535.
Does anyone know a way or a device that will enable charging the tablet and connecting it to another device via OTG?
I have tried several devices/usb splitters in order to simultaneously charge the tablet while connecting it to an additional device via OTG. None of them worked. However, I succeeded to achieve that only once: The tablet was in charging and then when I connected it to another device, the tablet remain charging and I was able to use the connected device. So I know that i should be possible. Unfortunately, I failed to reproduces the same result.

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