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I am looking into finding a USB OTG cable/adapter that allows me to connect USB peripherals to an Android tablet while charging it. Ultimate goal is to get the power from a car's cigarette lighter (possibly using a USB adapter which provides 5A/3.0A or 2.4A)

While researching, I found out there are number of issues including, not all devices truly support this mode. (I heard most samsung devices do. Anyway to find a certain device supports this, before buying?) And certain adapters have a physical switch and doesn't really support simultaneous charging and data transfer/USB hub mode.

I am wondering if I can use the adapters that claim to charge and act as a hub for the Macbook, which has a single USB C port.

Lot of these adapters (designed for Macbook and Chromebook pixel) provide 14.5V/2.0A which makes me worried, as my phone charger only provide 5V/3.0A (Nexus 5X which has quick charging).

Is it possible to connect a phone or tablet to one of these adapters and not get damaged by the extra power? And would the adapters work under the power of the car cigarette lighter which only provide 5A/3.0A, when they possibly expect 14.5V/2A from a macbook charger instead?

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  • related complications. Also this
    – beeshyams
    Aug 5, 2016 at 15:20
  • Though that post is 3 years old, things have become only more complex now as far as inter workability of chargers go- even ipod chargers are different per model and can't be used with other ipods
    – beeshyams
    Aug 5, 2016 at 15:48

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Fundamental thing is that you are contemplating laptop chargers , designed for much bigger capacity batteries to charge your cell and then plan to use the car charging, in between- not a healthy combination and recipe for problems

Anyway to find a certain device supports this, before buying?

No proven way AFAIK...you would need to research product and user reviews and ask around in device specific forums or write to manufacturer

Is it possible to connect a phone or tablet to one of these adapters and not get damaged by the extra power?

And would the adapters work under the power of the car cigarette lighter which only provide 5A/3.0A, when they possibly expect 14.5V/2A from a macbook charger instead?

Unlikely that they would work

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