This is very common in Thailand and Malaysia. Vendors, locals, they're often seen standing in the street holding both the power bank and the phone in the same h

This is very common in Thailand and Malaysia. Vendors, locals, they're often seen standing in the street holding both the power bank and the phone in the same hand, plugged in, while talking. Clearly they're being pragmatical, it's all about battery time and a small set of features.