In a statement, the EC, the executive arm of the European Union, said these proposals had been advanced to cut down on electronic waste and also to avoid inconvenience to customers.
The EC said USB-C would become the standard port for all smartphones, tablets, cameras, headphones, portable speakers and hand-held game consoles.
Another step would be unbundle the sale of chargers from devices, as the first two changes would ensure that a single charger could be used across devices.
"We gave industry plenty of time to come up with their own solutions, now time is ripe for legislative action for a common charger. This is an important win for our consumers and environment and in line with our green and digital ambitions."
Commissioner Thierry Breton, who is responsible for the Internal Market, said: “Chargers power all our most essential electronic devices. With more and more devices, more and more chargers are sold that are not interchangeable or not necessary.
"We are putting an end to that. With our proposal, European consumers will be able to use a single charger for all their portable electronics – an important step to increase convenience and reduce waste.”
The proposal has to be adopted by the European Parliament and the Council by ordinary legislative procedure. There will be a transition period of 24 months from the date of adoption.