Anywhere

The simpler, the better. Power banks with "intelligent" sophisticated IQ functions may not be able to work with the Anywhere as they have processors waiting for the return signals from the smartphones or whatever else devices.

It depends on your exact setup and the power consumption of each module in it. Please use this simple tool for the calculations. https://bit.ly/2nYJ3fz

Anywhere module was designed to be used with a power brick, but you can use it with a wall adapter too. As long as its amperage is enough to power up your setup. Check the needs of your rig using Polyend Anywhere Power Bank Requirements - tinyurl.com/ydc7hghe Get a decent wall charger thou, at least 2.4A or higher. A laptop's USB port or phone charger might be not enough.