If I replace the battery in an iPhone 6 myself and the phone doesn't work afterwards, does that defray the trade in value?

If I replace the battery in an iPhone 6 myself and the phone doesn't work afterwards, does that defray the trade in value?

Read more: https://iphoneus.org/faq/if-i-replace-the-battery-in-an-iphone-6-myself-and-the.html