Can 5 volt 2a charge 5 volt 1a portable WiFi?
I think the 5V2a can charge a 5-volt 1a portable WiFi, there is no doubt about that. As long as the voltage is equal, the current is slightly larger does not matter much, it can be charged. Each of us should know the basics so that when we encounter these questions, we can answer them quickly.
A can be charged, easy to damage the battery