I have a qlife eb13 48v bike and the display took a crap what ones are compatible with it so I can replace it??

Have you contacted the manufacturer to see if they sell spare parts? Otherwise it is hard to tell without knowing the make and model of the controller on the bike. And if it is not a well known brand (cheap Chinese controller), it may still be impossible to tell. If the manufacturer can't help you, you may have to replace both the display and the controller to make sure you get a set that works together.
 
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