What are the best ebike brakes

I have a eride pro 2.0 and the back brake has a oil leak somewhere and i saved up about 170 Whats the best brakes that wont fade ive tried magura mt5 and mt5e on my friends x3 he said he would get brake fade everyday i cant find brakes that would be good im trying to learn to wheelie but i cant with my back brake whats a food one to learn wheelies on?