If I encounter a Pokémon but don't have any Poké Balls, what will happen? If you don’t have any Poké Balls, your Pokémon GO Plus + will react to the Pokémon, but you won’t be able to catch it. Related articles If my Item Bag is full when I get close to a PokéStop, what will happen? If my Pokémon Box is full when I encounter a Pokémon, what will happen? How long can the Pokémon GO Plus + stay actively connected to Pokémon GO? If I have set Great Balls to be thrown but don’t have any Great Balls, what will happen? I didn’t manually disconnect my Pokémon GO Plus + from my smart device, but it was disconnected. Why?