Running 3A component from two 2As?

[HellasTechn]

Any suggestions for alternatives?

Maybe 2 power banks in parallel ? I am not sure. You are not really providing us with enough information to make clear.

 

[BobK]

Hmm, that seems a bit dishonest to put two 2A ports on it if they can't both do 2A at once

In your house, you probably have multiple outlets connected to the same 15A circuit. Plug a microwave oven into one and a toaster into another and operate them at the same time and... a breaker trips. Same thing here.

Bob