[PLUG-TALK] RPI4B and power bank requirements

[Rich Shepard]

On Fri, 7 Aug 2020, Tomas Kuchta wrote:

> I would make sure that your power supply (battery bank) is capable of
> supplying the recommended current 3A or close to it.

Tomas,

That's the RPI recommdndation (5V and 3A) and why I want to learn how to
translate a power bank rated in 5.5V and mAh to the amperage it provides.

> As about mAh - beside being able to drive the required current - the choice
> of battery capacity (mAh) depends on how long would you like the battery to
> last.

That's less a concern than the providing the maximum current draw from the
RPI and touchscreen.

Thanks,

Rich