Place the eggs in a saucepan and cover with cold water. Bring water to a boil and immediately remove from heat.
Let eggs stand in the hot water for around 10 minutes.
Remove from hot water and place in a bowl of cold water. Peel the eggs and chop them into cubes.
Place the chopped eggs in a medium bowl and stir in the onions, red peppers, chipotle powder, and mayonnaise. Fold in the mangoes.